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Benzene

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substituents were attached; however, no such isomers were observed. In 1872, Kekulé suggested that benzene had two complementary structures and that these forms rapidly interconverted, so that if there were a double bond between any pair of carbon atoms at one instant, that double bond would become a single bond at the next instant (and vice versa). To provide a mechanism for the conversion process, Kekulé proposed that the valency of an atom is determined by the frequency with which it collided with its neighbors in a molecule. As the carbon atoms in the benzene ring collided with each other, each carbon atom would collide twice with one neighbor during a given interval and then twice with its other neighbor during the next interval. Thus, a double bond would exist with one neighbor during the first interval and with the other neighbor during the next interval. Therefore, between the carbon atoms of benzene there were no fixed (i.e., constant) and distinct single or double bonds; instead, the bonds between the carbon atoms were identical. See
1778: 1624: 3155:(OSHA) has set a permissible exposure limit of 1 part of benzene per million parts of air (1 ppm) in the workplace during an 8-hour workday, 40-hour workweek. The short term exposure limit for airborne benzene is 5 ppm for 15 minutes. These legal limits were based on studies demonstrating compelling evidence of health risk to workers exposed to benzene. The risk from exposure to 1 ppm for a working lifetime has been estimated as 5 excess leukemia deaths per 1,000 employees exposed. (This estimate assumes no threshold for benzene's carcinogenic effects.) OSHA has also established an action level of 0.5 ppm to encourage even lower exposures in the workplace. 1631: 1663: 1688: 1617: 1695: 1681: 3166:(IDLH) concentration for benzene to 500 ppm. The current NIOSH definition for an IDLH condition, as given in the NIOSH Respirator Selection Logic, is one that poses a threat of exposure to airborne contaminants when that exposure is likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment. The purpose of establishing an IDLH value is (1) to ensure that the worker can escape from a given contaminated environment in the event of failure of the respiratory protection equipment and (2) is considered a maximum level above which only a highly reliable 13189: 2758: 401: 272: 69: 3339:(FISH) with DNA probes to assess the effects of benzene along with the hematological tests as markers of hematotoxicity. Benzene metabolism involves enzymes coded for by polymorphic genes. Studies have shown that genotype at these loci may influence susceptibility to the toxic effects of benzene exposure. Individuals carrying variant of NAD(P)H:quinone oxidoreductase 1 (NQO1), microsomal epoxide hydrolase (EPHX) and deletion of the glutathione S-transferase T1 (GSTT1) showed a greater frequency of DNA single-stranded breaks. 82: 994: 1805:, only the parody had monkeys seizing each other in a circle, rather than snakes as in Kekulé's anecdote. Some historians have suggested that the parody was a lampoon of the snake anecdote, possibly already well known through oral transmission even if it had not yet appeared in print. Kekulé's 1890 speech in which this anecdote appeared has been translated into English. If the anecdote is the memory of a real event, circumstances mentioned in the story suggest that it must have happened early in 1862. 3458: 989: 999: 1926: 979: 2661: 984: 14418: 13171: 1118: 14382: 101: 52: 2830: 3590:(The simplest average of all the collisions of a carbon atom comes from the sum of the collisions during the first two units of time, which then periodically repeat. … thus one sees that each carbon atom collides equally often with the two others against which it bumps, thus stands in exactly the same relation with its two neighbors. The usual structural formula for benzene expresses, of course, only the collisions that occur during 3215:. Most of these metabolites have some value as biomarkers of human exposure, since they accumulate in the urine in proportion to the extent and duration of exposure, and they may still be present for some days after exposure has ceased. The current ACGIH biological exposure limits for occupational exposure are 500 μg/g creatinine for muconic acid and 25 μg/g creatinine for phenylmercapturic acid in an end-of-shift urine specimen. 1122: 13180: 7445: 14406: 2779: 14394: 3472: 1348: 2906:. Whereas alkenes can be hydrogenated near room temperatures, benzene and related compounds are more reluctant substrates, requiring temperatures >100 °C. This reaction is practiced on a large scale industrially. In the absence of the catalyst, benzene is impervious to hydrogen. Hydrogenation cannot be stopped to give cyclohexene or cyclohexadienes as these are superior substrates. 1121: 2956: 1123: 1797:). This vision, he said, came to him after years of studying the nature of carbon-carbon bonds. This was seven years after he had solved the problem of how carbon atoms could bond to up to four other atoms at the same time. Curiously, a similar, humorous depiction of benzene had appeared in 1886 in a pamphlet entitled 1823:, a benzene derivative with the same core of six carbon atoms, Lonsdale obtained diffraction patterns. Through calculating more than thirty parameters, Lonsdale demonstrated that the benzene ring could not be anything but a flat hexagon, and provided accurate distances for all carbon-carbon bonds in the molecule. 1591:. Four years later, Mansfield began the first industrial-scale production of benzene, based on the coal-tar method. Gradually, the sense developed among chemists that a number of substances were chemically related to benzene, comprising a diverse chemical family. In 1855, Hofmann was the first to apply the word " 3588:"Das einfachste Mittel aller Stöße eines Kohlenstoffatoms ergiebt sich aus der Summe der Stöße der beiden ersten Zeiteinheiten, die sich dann periodisch wiederholen. … man sieht daher, daß jedes Kohlenstoffatom mit den beiden anderen, … daß diese Verschiedenheit nur eine scheinbare, aber keine wirkliche ist." 3369:
in the urine. After exposure to 63 to 405 mg/m of benzene for 1 to 5 hours, 51 to 87% was excreted in the urine as phenol over a period of 23 to 50 hours. In another human study, 30% of absorbed dermally applied benzene, which is primarily metabolized in the liver, was excreted as phenol in the urine.
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Inhaled benzene is primarily expelled unchanged through exhalation. In a human study 16.4 to 41.6% of retained benzene was eliminated through the lungs within five to seven hours after a two- to three-hour exposure to 47 to 110 ppm and only 0.07 to 0.2% of the remaining benzene was excreted unchanged
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Several tests can determine exposure to benzene. Benzene itself can be measured in breath, blood or urine, but such testing is usually limited to the first 24 hours post-exposure due to the relatively rapid removal of the chemical by exhalation or biotransformation. Most people in developed countries
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In a footnote on page 43, Liebig, the journal's editor, suggested changing Mitscherlich's original name for benzene (namely, "benzin") to "benzol", because the suffix "-in" suggested that it was an alkaloid (e.g., Chinin (quinine)), which benzene isn't, whereas the suffix "-ol" suggested that it was
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Genetic polymorphisms in these enzymes may induce loss of function or gain of function. For example, mutations in CYP2E1 increase activity and result in increased generation of toxic metabolites. NQ01 mutations result in loss of function and may result in decreased detoxification. Myeloperoxidase
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organized an elaborate appreciation in Kekulé's honor, celebrating the twenty-fifth anniversary of his first benzene paper. Here Kekulé spoke of the creation of the theory. He said that he had discovered the ring shape of the benzene molecule after having a reverie or day-dream of a snake biting its
3174:(RELs) for substances, including carcinogens. As benzene can cause cancer, NIOSH recommends that all workers wear special breathing equipment when they are likely to be exposed to benzene at levels exceeding the REL (10-hour) of 0.1 ppm. The NIOSH short-term exposure limit (STEL – 15 min) is 1 ppm. 3334:
seems to play an important role by protecting against benzene-induced DNA breaks and it is being identified as a new biomarker for exposure and effect. Benzene causes chromosomal aberrations in the peripheral blood leukocytes and bone marrow explaining the higher incidence of leukemia and multiple
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In his 1890 paper, Armstrong represented benzene nuclei within polycyclic benzenoids by placing inside the benzene nuclei a letter "C", an abbreviation of the word "centric". Centric affinities (i.e., bonds) acted within a designated cycle of carbon atoms. From p. 102: " … benzene, according to
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unit of time, thus during one phase, and so one is led to the view doubly substituted derivatives must be different at positions 1,2 and 1,6 . If the idea just presented—or a similar one—can be regarded as correct, then follows therefrom that this difference is only an apparent , not a real
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Critics pointed out a problem with Kekulé's original (1865) structure for benzene: Whenever benzene underwent substitution at the ortho position, two distinguishable isomers should have resulted, depending on whether a double bond or a single bond existed between the carbon atoms to which the
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Outdoor air may contain low levels of benzene from automobile service stations, wood smoke, tobacco smoke, the transfer of gasoline, exhaust from motor vehicles, and industrial emissions. About 50% of the entire nationwide (United States) exposure to benzene results from smoking tobacco or from
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published a paper in French (for he was then teaching in Francophone Belgium) suggesting that the structure contained a ring of six carbon atoms with alternating single and double bonds. The next year he published a much longer paper in German on the same subject. Kekulé used evidence that had
4281:"Da diese Flüssigkeit aus der Benzoësäure gewonnen wird, und wahrscheinlich mit den Benzoylverbindungen im Zusammenhang steht, so gibt man ihr am besten den Namen Benzol, da der Name Benzoïn schon für die mit dem Bittermandelöl isomerische Verbindung von Liebig und Wöhler gewählt worden ist." 2979:, bone marrow abnormalities and cardiovascular disease. The specific hematologic malignancies that benzene is associated with include: acute myeloid leukemia (AML), aplastic anemia, myelodysplastic syndrome (MDS), acute lymphoblastic leukemia (ALL), and chronic myeloid leukemia (CML). 3322:
mutations result in loss of function and may result in decreased generation of toxic metabolites. GSH mutations or deletions result in loss of function and result in decreased detoxification. These genes may be targets for genetic screening for susceptibility to benzene toxicity.
3683: 4283:(Since this liquid is obtained from benzoic acid and probably is related to benzoyl compounds, the best name for it is "benzol", since the name "benzoïn" has already been chosen, by Liebig and Wöhler, for the compound that's isomeric with the oil of bitter almonds .) 7148:
Eastmond, D.A.; Rupa, DS; Hasegawa, LS (2000). "Detection of hyperdiploidy and chromosome breakage in interphase human lymphocytes following exposure to the benzene metabolite hydroquinone using multicolor fluorescence in situ hybridization with DNA probes".
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smoke, automobile service stations, exhaust from motor vehicles, and industrial emissions; however, ingestion and dermal absorption of benzene can also occur through contact with contaminated water. Benzene is hepatically metabolized and excreted in the
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in 1861 suggested possible structures that contained multiple double bonds or multiple rings, but in these years very little was known about aromatic chemistry, and so chemists were unable to adduce appropriate evidence to favor any particular formula.
4516: 3290:. Hydroquinone, benzenetriol and catechol are converted to polyphenols. In the bone marrow, MPO converts these polyphenols to benzoquinones. These intermediates and metabolites induce genotoxicity by multiple mechanisms including inhibition of 2176:, and benzene is then separated from the other aromatics by distillation. The extraction step of aromatics from the reformate is designed to produce aromatics with lowest non-aromatic components. Recovery of the aromatics, commonly referred to as 6952:
Fustinoni S, Buratti M, Campo L, Colombi A, Consonni D, Pesatori AC, Bonzini M, Farmer P, Garte S, Valerio F, Merlo DF, Bertazzi PA (2005). "Urinary t,t-muconic acid, S-phenylmercapturic acid and benzene as biomarkers of low benzene exposure".
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suggested the prefixes ortho-, meta-, para- to distinguish di-substituted benzene derivatives in 1867; however, he did not use the prefixes to distinguish the relative positions of the substituents on a benzene ring. It was the German chemist
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have a similar structure, only the ring of delocalized electrons and the loss of one hydrogen per carbon distinguishes it from cyclohexane. The molecule is planar. The molecular orbital description involves the formation of three delocalized
12669: 2650:. In 2013, the biggest consumer country of benzene was China, followed by the USA. Benzene production is currently expanding in the Middle East and in Africa, whereas production capacities in Western Europe and North America are stagnating. 2621:
consumes around 10% of the world's benzene production; it is primarily used in the manufacture of nylon fibers, which are processed into textiles and engineering plastics. Smaller amounts of benzene are used to make some types of
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is now often used as a substitute for benzene, for instance as a fuel additive. The solvent-properties of the two are similar, but toluene is less toxic and has a wider liquid range. Toluene is also processed into benzene.
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catalyst at 500–650 °C and 20–60 atm pressure. Sometimes, higher temperatures are used instead of a catalyst (at the similar reaction condition). Under these conditions, toluene undergoes dealkylation to benzene and
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Claus, Adolph K.L. (1867) "Theoretische Betrachtungen und deren Anwendungen zur Systematik der organischen Chemie" (Theoretical considerations and their applications to the classification scheme of organic chemistry),
1879:, spot removers, and other products. Manufacture of some of these benzene-containing formulations ceased in about 1950, although Liquid Wrench continued to contain significant amounts of benzene until the late 1970s. 3005:
As benzene is ubiquitous in gasoline and hydrocarbon fuels that are in use everywhere, human exposure to benzene is a global health problem. Benzene targets the liver, kidney, lung, heart and brain and can cause
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exposure to tobacco smoke. After smoking 32 cigarettes per day, the smoker would take in about 1.8 milligrams (mg) of benzene. This amount is about 10 times the average daily intake of benzene by nonsmokers.
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If the raw material stream contains much non-aromatic components (paraffins or naphthenes), those are likely decomposed to lower hydrocarbons such as methane, which increases the consumption of hydrogen.
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Fracasso ME, Doria D, Bartolucci GB, Carrieri M, Lovreglio P, Ballini A, Soleo L, Tranfo G, Manno M (2010). "Low air levels of benzene: Correlation between biomarkers of exposure and genotoxic effects".
2986:(API) stated as early as 1948 that "it is generally considered that the only absolutely safe concentration for benzene is zero". There is no safe exposure level; even tiny amounts can cause harm. The 1840:
who, in 1869, first used the prefixes ortho-, meta-, para- to denote specific relative locations of the substituents on a di-substituted aromatic ring (viz, naphthalene). In 1870, the German chemist
2990:(DHHS) classifies benzene as a human carcinogen. Long-term exposure to excessive levels of benzene in the air causes leukemia, a potentially fatal cancer of the blood-forming organs. In particular, 3571: 5435:
Williams, P.R.D.; Knutsen, J.S.; Atkinson, C.; Madl, A.K.; Paustenbach, D.J. (2007). "Airborne Concentrations of Benzene Associated with the Historical Use of Some Formulations of Liquid Wrench".
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have measureable baseline levels of benzene and other aromatic petroleum hydrocarbons in their blood. In the body, benzene is enzymatically converted to a series of oxidation products including
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The identification of organic molecules in rocks on the red planet does not necessarily point to life there, past or present, but does indicate that some of the building blocks were present.
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The paradigm of toxicological assessment of benzene is shifting towards the domain of molecular toxicology as it allows understanding of fundamental biological mechanisms in a better way.
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One way of understanding the carcinogenic effects of benzene is by examining the products of biological oxidation. Pure benzene, for example, oxidizes in the body to produce an epoxide,
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Dougherty, D; Garte, S; Barchowsky, A; Zmuda, J; Taioli, E (2008). "NQO1, MPO, CYP2E1, GSTT1 and STM1 polymorphisms and biological effects of benzene exposure—a literature review".
3298:(which maintains cellular structure and organization), generation of oxygen free radicals (unstable species) that may lead to point mutations, increasing oxidative stress, inducing 2717:
has led to stringent regulation of gasoline's benzene content, with limits typically around 1%. European petrol specifications now contain the same 1% limit on benzene content. The
3034:(ATSDR) (2007), benzene is both a synthetically made and naturally occurring chemical from processes that include: volcanic eruptions, wild fires, synthesis of chemicals such as 3108:
regulates levels of benzene in the workplace. The maximum allowable amount of benzene in workroom air during an 8-hour workday, 40-hour workweek is 1 ppm. As benzene can cause
3022:. Benzene causes cancer in animals including humans. Benzene has been shown to cause cancer in both sexes of multiple species of laboratory animals exposed via various routes. 2709:
replaced it as the most widely used antiknock additive. With the global phaseout of leaded gasoline, benzene has made a comeback as a gasoline additive in some nations. In the
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hydrocarbons form rings and lose hydrogen to become aromatic hydrocarbons. The aromatic products of the reaction are then separated from the reaction mixture (or reformate) by
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of benzene, and that there always appeared to be exactly three isomers of every disubstituted derivative—now understood to correspond to the ortho, meta, and para patterns of
6113: 11631: 10320: 13731: 13501: 13461: 12953: 3496: 1089: 6874:. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health. August 2007. 3961: 1124: 13662: 13637: 13627: 6668: 11646: 11636: 3315: 3196: 1132: 7409: 5351:"On distingue facilement ces trois séries, dans lesquelles les dérivés bihydroxyliques ont leurs terms correspondants, par les préfixes ortho-, para- et mêta-." 1948:: the electrons for C=C bonding are distributed equally between each of the six carbon atoms. Benzene has 6 hydrogen atoms, fewer than the corresponding parent 14473: 14033: 13361: 13302: 13210: 8627: 8209: 8148: 14122: 13938: 13873: 13813: 13741: 13647: 13541: 13411: 13366: 13037: 11621: 11606: 7507: 7387: 6815: 4021: 3988: 3159: 3113: 1771:—to argue in support of his proposed structure. Kekulé's symmetrical ring could explain these curious facts, as well as benzene's 1:1 carbon-hydrogen ratio. 1242: 14202: 5353:(One easily distinguishes these three series – in which the dihydroxy derivatives have their corresponding terms – by the prefixes ortho-, para- and meta-.) 13667: 13511: 13481: 11591: 11586: 11581: 8617: 5696: 1521:), an aromatic resin known since ancient times in Southeast Asia, and later to European pharmacists and perfumers in the 16th century via trade routes. An 13597: 13577: 13250: 11626: 8612: 8133: 2125:
Toxicological Profile for benzene, between 1978 and 1981, catalytic reformates accounted for approximately 44–50% of the total U.S. benzene production.
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Moran D, Simmonett AC, Leach FE, Allen WD, Schleyer PV, Schaefer HF (2006). "Popular Theoretical Methods Predict Benzene and Arenes To Be Nonplanar".
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Trace amounts of benzene are found in petroleum and coal. It is a byproduct of the incomplete combustion of many materials. For commercial use, until
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The new understanding of benzene, and hence of all aromatic compounds, proved to be so important for both pure and applied chemistry that in 1890 the
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American Conference of Governmental Industrial Hygienists (ACGIH) adopted Threshold Limit Values (TLVs) for benzene at 0.5 ppm TWA and 2.5 ppm STEL.
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at 0.005 mg/L (5 ppb), as promulgated via the U.S. National Primary Drinking Water Regulations. This regulation is based on preventing benzene
13260: 12962: 12823: 10475: 10313: 6771: 6040: 5665: 4311:(I give the name of "phène" (φαινω, I illuminate) to the fundamental radical of the preceding acids, because benzene is found in illuminating gas.) 4309:"Je donne le nom de phène au radical fondamental des acides précédens (φαινω, j'éclaire), puisque la benzine se trouve dans le gaz de l'éclairage." 3031: 1596: 7322: 6712: 1754:
But many chemists had begun to work on aromatic substances, especially in Germany, and relevant data was coming fast. In 1865, the German chemist
13617: 12946: 8639: 8160: 5410: 4159: 1146: 7241: 4909: 1529:, and named "flowers of benzoin", or benzoic acid. The hydrocarbon derived from benzoic acid thus acquired the name benzin, benzol, or benzene. 13287: 8685: 6704: 6767: 3822: 2446:
This is often called "on-purpose" methodology to produce benzene, compared to conventional BTX (benzene-toluene-xylene) extraction processes.
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related, benzene cannot be converted into pyridine. Replacement of a second CH bond with N gives, depending on the location of the second N,
721: 6307: 5525: 5382: 5131: 4544: 4540: 4536: 4532: 4528: 1973:. To reflect the delocalized nature of the bonding, benzene is often depicted with a circle inside a hexagonal arrangement of carbon atoms. 13381: 10329: 8769: 8738: 8517: 8507: 8392: 6737: 440: 6326:"Traffic-related air pollution and the onset of myocardial infarction: disclosing benzene as a trigger? A small-area case-crossover study" 6159: 6138: 4397:
Charles Mansfield filed for (November 11, 1847) and received (May 1848) a patent (no. 11,960) for the fractional distillation of coal tar.
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Isaacson, Kristofer P.; Proctor, Caitlin R.; Wang, Q. Erica; Edwards, Ethan Y.; Noh, Yoorae; Shah, Amisha D.; Whelton, Andrew J. (2021).
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IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs
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On pages 443–450, Faraday discusses "bicarburet of hydrogen" (benzene). On pages 449–450, he shows that benzene's empirical formula is C
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Public Health Statement for Benzene, Agency for Toxic Substances and Disease Registry. (August 2007). Benzene: Patient information sheet
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first isolated and identified benzene in 1825 from the oily residue derived from the production of illuminating gas, giving it the name
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in China with a population of almost nine million people, was cut off because of a major benzene exposure. Benzene leaked into the
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Kaiser, R. (1968). "Bicarburet of Hydrogen. Reappraisal of the Discovery of Benzene in 1825 with the Analytical Methods of 1968".
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are greater than a double bond (135 pm) but shorter than a single bond (147 pm). This intermediate distance is caused by electron
1867:. This process was later discontinued. Benzene was historically used as a significant component in many consumer products such as 10285: 7184:
Garte, S; Taioli, E; Popov, T; Bolognesi, C; Farmer, P; Merlo, F (2000). "Genetic susceptibility to benzene toxicity in humans".
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Solubilities of Inorganic and Organic Compounds: A Compilation of Solubility Data from the Periodical Literature. Supplement
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The pathway for the metabolism of benzene is complex and begins in the liver. Several enzymes are involved. These include
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Armit, James Wilson; Robinson, Robert (1925). "Polynuclear heterocyclic aromatic types. Part II. Some anhydronium bases".
2679: 2233: 7550: 6837: 4766: 4155:"On new compounds of carbon and hydrogen, and on certain other products obtained during the decomposition of oil by heat" 3578:
of Auguste Kekulé (1872) "Ueber einige Condensationsprodukte des Aldehyds" (On some condensation products of aldehydes),
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Approximately 24,700,000 tons were produced in 1999. Highly instructive but of far less industrial significance is the
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Many important chemical compounds are derived from benzene by replacing one or more of its hydrogen atoms with another
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when they are likely to be exposed to benzene at levels exceeding the recommended (8-hour) exposure limit of 0.1 ppm.
1595:" to designate this family relationship, after a characteristic property of many of its members. In 1997, benzene was 14528: 14488: 14478: 14225: 12917: 12348: 5075:
Wilcox, David H.; Greenbaum, Frederick R. (1965). "Kekule's benzene ring theory: A subject for lighthearted banter".
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limits. The affected batches were removed from sale. Similar problems were reported by the FDA in the United States.
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Thiele, Johannes (1899) "Zur Kenntnis der ungesättigten Verbindungen" (On our knowledge of unsaturated compounds),
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chemistry of low-valent metals. Important examples include the sandwich and half-sandwich complexes, respectively,
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caused hazardous conditions in multiple places, with the publication noting that the compound may eventually cause
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block with the code U+232C (⌬) to represent it with three double bonds, and U+23E3 (⏣) for a delocalized version.
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In some European languages, the word for petroleum or gasoline is an exact cognate of "benzene". For instance in
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Major commodity chemicals and polymers derived from benzene. Clicking on the image loads the appropriate article
2673: 14513: 14453: 7013: 6292: 6264: 6063:"Kinetic modeling and thermodynamic analysis of toluene disproportionation reaction over ZSM-5 based catalysts" 5790:
Cooper, David L.; Gerratt, Joseph; Raimondi, Mario (1986). "The electronic structure of the benzene molecule".
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providing maximum worker protection is permitted. In September 1995, NIOSH issued a new policy for developing
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Using electrophilic aromatic substitution, many functional groups are introduced onto the benzene framework.
14483: 14275: 11868: 10184: 4896:"VIII. Die aromatischen Verbindungen. Das Benzol." (VIII. The aromatic compounds. Benzene.), pp. 125–129. 4435:
The existence and mode of formation of insolinic acid prove that to the series of monobasic aromatic acids, C
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Mémoires de la Classe des Sciences - Académie Royale des Sciences, des Lettres et des Beaux-arts de Belgique
1484:, such as the long-term results of accidental exposure, have been reported on by news organizations such as 14468: 14310: 12913: 7476: 4761: 2983: 2680: 2069:, carbon atoms in the benzene ring are replaced with other elements. The most important variations contain 1071: 358: 267: 7523: 6774:(ATSDR); Environmental Medicine & Environmental Health Education – CSEM. June 30, 2000. Archived from 5152:
Benfey O. T. (1958). "August Kekulé and the Birth of the Structural Theory of Organic Chemistry in 1858".
1969:. It is likely that this stability contributes to the peculiar molecular and chemical properties known as 998: 14523: 14518: 13506: 12637: 11748: 6841: 6811: 3087:; however, all of these have their limitations because benzene is rapidly metabolized in the human body. 1976:
Derivatives of benzene occur sufficiently often as a component of organic molecules, so much so that the
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On p. 100, Kekulé suggests that the carbon atoms of benzene could form a "chaîne fermée" (closed chain).
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Rocke, A. J. (1985). "Hypothesis and Experiment in the Early Development of Kekule's Benzene Theory".
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industry, necessitated the production of benzene from petroleum. Today, most benzene comes from the
14305: 12330: 12326: 11499: 9794: 7286:. Hazardous Substances Data Bank, U.S. National Library of Medicine. National Institutes of Health. 5331: 5050: 3818: 3399:
conducted a survey of 150 brands of soft drinks. It found that four contained benzene levels above
2999: 2998:(AML & ANLL) is caused by benzene. IARC rated benzene as "known to be carcinogenic to humans" ( 2796: 2672: 2207:
to benzene. In this hydrogen-intensive process, toluene is mixed with hydrogen, then passed over a
2161: 1662: 1489: 1169: 396: 31: 17: 4895: 2671: 1694: 1687: 1616: 14508: 14385: 10267: 8279: 7543: 6304: 5515: 5111: 2666: 2484:(STDP) may be used. In this process, the xylene stream exiting the TDP unit is approximately 90% 1789: 1680: 1639: 744: 6745: 5691: 3274:), GSH, and myeloperoxidase (MPO). CYP2E1 is involved at multiple steps: converting benzene to 2480:) substantially exceeds demand for other xylene isomers, a refinement of the TDP process called 978: 14240: 13205: 13115: 12992: 12987: 10515: 10167: 9229: 8043: 7601: 6838:"Documentation for Immediately Dangerous to Life or Health Concentrations (IDLH): Introduction" 6163: 6134: 6003: 5974: 5367: 4527:(aromatic compounds), pp. 315–347, Claus presents Kekulé's hypothetical structure for benzene ( 3426:
When plastic water pipes are subject to high heat, the water may be contaminated with benzene.
3378: 2991: 2899: 2664: 2613:. Some 20% of the benzene production is used to manufacture cumene, which is needed to produce 2066: 1904: 1764: 1747: 1743: 1703: 857: 6061:
Ali, M. A.; Haji, Shaker; Al-Khayyat, Mohammed; Abutaleb, Ahmed; Ahmed, Shakeel (2022-12-01).
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spanning all six carbon atoms, while the valence bond description involves a superposition of
14493: 14295: 14270: 13908: 13526: 13073: 12860: 12538: 10274: 10162: 9290: 9224: 7880: 7678: 6619:"The toxicity of benzene and its metabolism and molecular pathology in human risk assessment" 6502: 6465: 6403: 4934: 4557: 4297: 4244: 3621:
Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013 (Blue Book)
3490: 3392: 3291: 2145: 1993: 1966: 1783:
Kekulé's 1872 modification of his 1865 theory, illustrating rapid alternation of double bonds
1454: 1021: 971: 677: 7508:
Dept. of Health and Human Services: TR-289: Toxicology and Carcinogenesis Studies of Benzene
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with two double bonds, breaking the aromaticity. Next, the diol is newly reduced by NADH to
2705:. As a consequence, gasoline often contained several percent benzene before the 1950s, when 1059: 14463: 14356: 14340: 13965: 13336: 13307: 13188: 13012: 12642: 11268: 11143: 10243: 9688: 8808: 8607: 7613: 7607: 7248:, Agency for Toxic Substances and Disease Registry, Department of Health and Human Services 7229:, Agency for Toxic Substances and Disease Registry, Department of Health and Human Services 6958: 6437:, Agency for Toxic Substances and Disease Registry, Department of Health and Human Services 6337: 5940: 5895: 5846: 5799: 5705: 5631: 5561: 5267: 5224: 5161: 5084: 4484: 4292:
Laurent, (1836) "Sur la chlorophénise et les acides chlorophénisique et chlorophénèsique,"
4035: 3725: 3439: 2927: 2843: 2558: 1945: 1899:
industry. However, in the 1950s, increased demand for benzene, especially from the growing
1538: 1442: 983: 589: 367: 189: 117: 100: 11732: 6819: 6197: 5253: 4154: 3958: 3888:, National Institute of Standards and Technology, Gaithersburg (MD) (retrieved 2014-05-29) 2721:
introduced new regulations in 2011 that lowered the benzene content in gasoline to 0.62%.
2488:-xylene. In some systems, even the benzene-to-xylenes ratio is modified to favor xylenes. 51: 8: 14533: 14300: 14280: 14093: 13783: 13271: 13135: 13110: 13078: 12997: 12768: 12651: 11778: 11704: 10793: 10635: 10343: 9549: 9136: 7803: 7798: 7483: 6867: 6684: 5043: 4716:"An explanation of the laws which govern substitution in the case of benzenoid compounds" 4513:
Berichte über die Verhandlungen der Naturforschenden Gesellschaft zu Freiburg im Breisgau
2972: 2923: 2554: 2110: 1330: 1093: 578: 249: 155: 7450: 6962: 6341: 6218:
Stranks, D. R.; M. L. Heffernan; K. C. Lee Dow; P. T. McTigue; G. R. A. Withers (1970).
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Arnold, D.; Plank, C.; Erickson, E.; Pike, F. (1958). "Solubility of Benzene in Water".
3351:, which is not excreted readily and can interact with DNA to produce harmful mutations. 3067:. Measurement of air and water levels of benzene is accomplished through collection via 2352:
This irreversible reaction is accompanied by an equilibrium side reaction that produces
2180:(benzene, toluene and xylene isomers), involves such extraction and distillation steps. 209: 165: 14448: 14398: 14320: 14290: 14235: 14112: 14088: 13587: 13521: 13386: 13346: 13197: 13160: 13120: 13099: 13042: 13017: 12745: 12408: 12306: 11963: 11596: 10968: 10570: 9323: 9280: 8138: 8128: 7815: 7788: 7783: 7595: 7536: 7209: 7052: 7027: 6643: 6618: 6548: 6523: 6475: 6448: 6412: 6387: 6360: 6325: 6108: 5956: 5913: 5864: 5815: 5737: 5729: 5657: 5595: 5520: 5460: 4426: 4178: 3463: 3068: 2823: 2819: 2736:
The most common reactions of benzene involve substitution of a proton by other groups.
2713:, concern over its negative health effects and the possibility of benzene entering the 2546: 2513: 2508: 2455: 1759:
accumulated in the intervening years—namely, that there always appeared to be only one
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Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique
5308:"Meet Kathleen Lonsdale, the physicist and prison reformer who cracked benzene's code" 4649: 400: 271: 14498: 14345: 13928: 13828: 13798: 13716: 13456: 13341: 13297: 13245: 13052: 13047: 12979: 12888: 12659: 12602: 12543: 12311: 11883: 10978: 10755: 10750: 10298: 10233: 10203: 9961: 9583: 9214: 9186: 9029: 8789: 8784: 8622: 8143: 7861: 7856: 7645: 7590: 7585: 7257: 7201: 7166: 7162: 7130: 7092: 7057: 7009: 6974: 6920: 6648: 6580: 6553: 6480: 6417: 6365: 6288: 6260: 6227: 6223: 6084: 5772: 5721: 5649: 5622: 5587: 5552: 5494: 5452: 5206: 5054: 5010: 4963:"Untersuchungen über aromatische Verbindungen (Investigations of aromatic compounds)" 4840: 4123: 4098: 3898: 3778: 3753: 3748: 3711: 3661: 3636: 3260: 3223:
Even if it is not a common substrate for metabolism, benzene can be oxidized by both
3072: 3015: 2200: 2169: 1933: 1820: 1816: 1812: 1727: 1466: 1387: 1291: 667: 38: 12931: 7213: 6897: 5917: 5819: 5741: 5661: 5599: 5464: 5187:
Gillis Jean (1966). "Auguste Kekulé et son oeuvre, réalisée à Gand de 1858 à 1867".
4430: 3924: 2866:), which is a strong electrophile produced by combining sulfuric and nitric acids. 1907:, with only a small fraction being produced from coal. Benzene has been detected on 1832: 1465:, of which billions of kilograms are produced annually. Although benzene is a major 14443: 14422: 14410: 14330: 14230: 14135: 14083: 13516: 13391: 13356: 13277: 13265: 13225: 13130: 13063: 12564: 12230: 11717: 11494: 11464: 11396: 11303: 10973: 10853: 10745: 10457: 10447: 9938: 9432: 9370: 9178: 7840: 7640: 7357: 7193: 7158: 7122: 7084: 7047: 7039: 6966: 6912: 6845: 6666:
Occupational Safety and Health Standards, Toxic and Hazardous Substances, 1910.1028
6638: 6630: 6543: 6535: 6470: 6460: 6407: 6399: 6355: 6345: 6252: 6074: 5960: 5948: 5903: 5868: 5854: 5807: 5764: 5713: 5639: 5577: 5569: 5486: 5444: 5275: 5254:"An X-Ray Analysis of the Structure of Hexachlorobenzene, Using the Fourier Method" 5232: 5169: 5123: 5092: 4974: 4871: 4830: 4802: 4727: 4697: 4613: 4571: 4492: 4418: 4369: 4334: 4258: 4225: 4168: 4132: 3743: 3733: 3692: 3628: 3099: 2725: 2003: 1710: 1653: 1411: 1384: 757: 547: 463: 6256: 4459:
Cernicharo, José; et al. (1997), "Infrared Space Observatory's Discovery of C
2910:, a non catalytic process, however selectively hydrogenates benzene to the diene. 1671: 1063: 14018: 13993: 13531: 13471: 13255: 13155: 13140: 13125: 13032: 13022: 12856: 12721: 12705: 12693: 12647: 12598: 12413: 12388: 12383: 12197: 11930: 11783: 10585: 10580: 10442: 10375: 10157: 9916: 9911: 9894: 9877: 9678: 9427: 9328: 9285: 9194: 9068: 8033: 8023: 7775: 7635: 7283: 7264: 7245: 7126: 7088: 6916: 6691: 6672: 6605: 6509: 6350: 6311: 6247:
Welch, Vincent A.; Fallon, Kevin J.; Gelbke, Heinz-Peter (2005). "Ethylbenzene".
6196:. U.S. Environmental Protection Agency. 2006-03-29. p. 15853. Archived from 6079: 6062: 5931:
Harcourt, Richard D. (1987). "The electronic structure of the benzene molecule".
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shows that all six carbon-carbon bonds in benzene are of the same length, at 140
1868: 1853: 1809: 1561: 1549: 1530: 1518: 1182: 818: 7498: 7226: 6598: 6217: 5332:"Faits pour servir à la détermination du lieu chimique dans la série aromatique" 4001: 2156:
at 500–525 °C and pressures ranging from 8–50 atm. Under these conditions,
1564:
named the substance "phène"; this word has become the root of the English word "
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American Petroleum Institute, API Toxicological Review, Benzene, September 1948
5615:"Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars" 3717:
Proceedings of the National Academy of Sciences of the United States of America
3543: 3396: 3141: 3137: 2959:
A bottle of benzene. The warnings show benzene is a toxic and flammable liquid.
2728:
the word 'benzina' can be used for gasoline, though now it is relatively rare.
2496: 2118: 1872: 1857: 1469:, it finds limited use in consumer items because of its toxicity. Benzene is a 1339: 716: 704: 690: 7493: 7197: 6995:. American Conference of Governmental Industrial Hygienists, Cincinnati, Ohio. 6970: 6539: 5448: 5127: 4575: 4136: 4063:"Gas Piped into Homes Contains Benzene and Other Risky Chemicals, Study Finds" 3984: 1224: 1206: 14437: 14285: 14140: 14023: 13998: 13979: 13923: 13803: 13761: 13756: 13496: 13486: 13446: 13321: 13215: 13170: 13145: 13027: 13007: 12864: 12827: 12701: 12627: 12622: 12612: 12548: 12488: 12418: 12263: 12220: 11426: 11391: 11366: 11178: 11038: 11018: 11013: 11003: 10998: 10898: 10788: 10730: 10725: 10710: 10690: 10680: 10660: 10650: 10640: 10605: 10575: 10565: 10510: 10434: 10381: 10366: 10248: 10196: 10127: 10013: 10003: 9998: 9988: 9983: 9933: 9928: 9844: 9839: 9829: 9683: 9638: 9600: 9588: 9559: 9437: 8936: 8743: 8733: 8229: 7512: 6088: 5725: 5490: 5414: 5386: 4978: 4875: 4701: 4617: 4373: 4338: 4262: 3954: 3684:
Industrial & Engineering Chemistry Chemical & Engineering Data Series
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myeloma caused by chronic exposure. These aberrations can be monitored using
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Benzene is used mainly as an intermediate to make other chemicals, above all
2570: 2443:
and heavier aromatics are used in place of toluene, with similar efficiency.
1997: 1876: 1569: 1553: 1434: 838: 596: 536: 526: 260: 136:
Cyclohexa-1,3,5-triene; 1,3,5-Cyclohexatriene (theoretical resonance isomers)
7043: 5644: 5573: 5341:(Facts to be used in determining chemical location in the aromatic series), 4013: 2529:
Although of no commercial significance, many other routes to benzene exist.
2058:. The limit of the fusion process is the hydrogen-free allotrope of carbon, 1837: 1039: 14361: 14215: 14068: 14008: 13988: 13960: 13888: 13768: 13751: 13706: 13657: 13562: 13282: 13235: 13083: 12736: 12478: 12428: 12398: 12343: 12301: 12296: 12291: 12281: 12276: 12205: 11863: 11828: 11823: 11793: 11742: 11669: 11361: 11351: 11123: 11118: 11108: 11103: 11033: 10858: 10848: 10740: 10700: 10665: 10645: 10630: 10615: 10550: 10545: 10530: 10500: 10495: 10480: 10426: 10416: 10179: 10066: 10061: 10038: 9789: 9628: 9554: 9491: 9486: 9464: 9420: 9405: 9395: 9042: 9006: 8902: 8675: 8665: 8574: 8564: 8554: 8095: 8085: 8075: 7737: 7727: 7717: 7630: 7317: 7205: 7134: 7113: 7096: 6978: 6584: 6557: 6484: 6421: 6369: 5776: 5717: 5653: 5591: 5456: 5280: 5237: 5210: 4939:(in German). Vienna, Austria-Hungary: Carl Gerold's Sohn. pp. 30, 65. 4844: 4422: 4229: 4173: 4084: 3539: 3531: 3511: 3435: 3384: 3307: 3295: 3283: 3256: 3208: 3192: 2894:
and derivatives. This reaction is achieved by the use of high pressures of
2867: 2792: 2598: 2582: 2538: 2191:
commercialized a method from LPG (mainly propane and butane) to aromatics.
2142: 2051: 1888: 1841: 1573: 1545: 1542: 1481: 1458: 784: 7170: 7061: 6924: 6652: 6524:"Benzene-induced cancers: abridged history and occupational health impact" 3757: 3738: 3632: 3314:(counteracting the effect of MPO). GSH is involved with the formation of 1925: 1145: 1035: 14335: 14245: 14210: 14177: 14103: 14078: 13918: 13823: 13793: 13677: 13592: 13582: 13312: 13240: 12818: 12813: 12783: 12763: 12518: 12498: 12448: 12271: 12253: 12248: 12238: 12215: 12210: 12177: 12099: 11940: 11907: 11897: 11753: 11737: 11641: 11524: 11441: 11421: 11411: 11381: 11346: 11298: 11288: 11248: 11243: 11218: 11203: 11163: 11153: 11088: 11058: 11008: 10953: 10928: 10908: 10903: 10868: 10765: 10720: 10675: 10655: 10620: 10595: 10490: 10467: 10391: 10361: 10238: 10191: 10152: 10033: 9921: 9906: 9901: 9889: 9454: 9449: 9415: 9410: 9400: 9378: 9090: 9047: 9020: 8954: 8917: 8836: 8690: 8670: 8657: 8589: 8584: 8579: 8569: 8559: 8546: 8377: 8110: 8105: 8100: 8090: 8080: 8067: 7903: 7752: 7747: 7742: 7732: 7722: 7701: 7488: 6634: 6183:
Kolmetz, Gentry, Guidelines for BTX Revamps, AIChE 2007 Spring Conference
5408:"Untersuchungen über die Constitution der zweifach-substituirten Benzole" 4806: 4731: 3527: 3523: 3507: 3503: 3502:
Six-membered aromatic rings with one carbon replaced by another element:
3391:(Vitamin C) may interact to produce benzene. In March 2006, the official 3331: 3311: 3303: 3232: 3084: 3011: 2891: 2878:
in the presence of a Lewis acid catalyst such as aluminium tri-chloride.
2749: 2741: 2714: 2618: 2610: 2594: 2534: 2134: 2043: 1970: 1957: 1941: 1920: 1892: 1646: 1592: 1449:
liquid with a sweet smell, and is partially responsible for the aroma of
1423: 1158: 604: 12883: 3696: 2042:. Further loss of hydrogen gives "fused" aromatic hydrocarbons, such as 1488:. For instance, a 2022 article stated that benzene contamination in the 1131: 14250: 14192: 14155: 14130: 14028: 13838: 13701: 12851: 12803: 12798: 12716: 12711: 12617: 12588: 12584: 12493: 12458: 12403: 12393: 12353: 12286: 12114: 12079: 12044: 12039: 11993: 11983: 11912: 11873: 11833: 11818: 11798: 11788: 11727: 11722: 11712: 11679: 11661: 11557: 11504: 11469: 11416: 11406: 11376: 11371: 11308: 11283: 11238: 11213: 11193: 11173: 11168: 11158: 11138: 11093: 11083: 11068: 11028: 11023: 10993: 10948: 10943: 10923: 10913: 10893: 10888: 10878: 10838: 10833: 10828: 10823: 10818: 10808: 10803: 10798: 10770: 10625: 10540: 10535: 10421: 10411: 10386: 10147: 10138: 10018: 9973: 9869: 9834: 9824: 9764: 9700: 9623: 9571: 9149: 9037: 8841: 8728: 8718: 8647: 8382: 8204: 8199: 8174: 8028: 8018: 7362: 7345: 5733: 5582: 4813:
A history of the determination of benzene's structure is recounted in:
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of Sir John Cadogan giving a lecture on Benzene since Faraday, in 1991
7074: 7008:, 8th edition, Biomedical Publications, Foster City, CA, pp. 144–148, 5768: 5096: 4835: 4818: 4182: 1576:", the radical formed by abstraction of a hydrogen atom from benzene. 1457:
to the manufacture of chemicals with more complex structures, such as
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Ashley, DL; Bonin, MA; Cardinali, FL; McCraw, JM; Wooten, JV (1994).
6449:"Advances in Understanding Benzene Health Effects and Susceptibility" 6388:"Advances in understanding benzene health effects and susceptibility" 5952: 5908: 5883: 5859: 5834: 5811: 5173: 4817:
Balaban, Alexandru T.; Schleyer, Paul v. R.; Rzepa, Henry S. (2005).
3774:
Ludwig's Applied Process Design for Chemical And Petrochemical Plants
3421:
an explosion at a China National Petroleum Corporation (CNPC) factory
3228: 3095: 3051: 3047: 2859: 2855: 2804: 2740:
is a general method of derivatizing benzene. Benzene is sufficiently
2647: 2643: 2635: 2627: 2562: 2173: 2157: 2109:
Four chemical processes contribute to industrial benzene production:
1937: 1794: 1430: 1077: 778: 709: 9339: 4861: 1338:
Except where otherwise noted, data are given for materials in their
14150: 14062: 13863: 13726: 13711: 13682: 13551: 13326: 13150: 13094: 13088: 13057: 13002: 12970: 12898: 12831: 12808: 12757: 12753: 12749: 12689: 12663: 12523: 12483: 12463: 12443: 12433: 12373: 12368: 12182: 12144: 12094: 12059: 12024: 12019: 12003: 11998: 11978: 11973: 11968: 11955: 11843: 11651: 11528: 11514: 11489: 11484: 11474: 11446: 11233: 11228: 11208: 11188: 11183: 10983: 10938: 10918: 10883: 10873: 10760: 10715: 10705: 10610: 10505: 10485: 10401: 10122: 10076: 10043: 9739: 9645: 9519: 9474: 9459: 9318: 9313: 9123: 9115: 9107: 8987: 8979: 8971: 8922: 8907: 8897: 8887: 8882: 8856: 8779: 8491: 8471: 8321: 8249: 8244: 8224: 7661: 7559: 7410:"A Former Nazi Labor Camp in Austria, Now Billed as a Tourist Site" 5366:(Braunschweig, Germany: Friedrich Vieweg und Sohn, 1874), vol. 1, 4819:"Crocker, Not Armit and Robinson, Begat the Six Aromatic Electrons" 4789:
The use of a circle to denote a benzene nucleus first appeared in:
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In 1929, the cyclic nature of benzene was finally confirmed by the
1735: 1588: 1493: 1450: 1415: 1403: 1318: 1104: 306: 5692:"A Crystallographic Study of Solid Benzene by Neutron Diffraction" 4756:
this view, may be represented by a double ring, in fact." See:
3982: 2601:. In 1988 it was reported that two-thirds of all chemicals on the 188: 14315: 14145: 14098: 14057: 14013: 13950: 13913: 13903: 13898: 13853: 13848: 13788: 13721: 13612: 13607: 13557: 13436: 13426: 13179: 12845: 12835: 12594: 12533: 12508: 12503: 12378: 12338: 12159: 12149: 12134: 12119: 12104: 12089: 12084: 12069: 12054: 11935: 11674: 11534: 10988: 10695: 10396: 10084: 10008: 9859: 9854: 9819: 9804: 9799: 9769: 9752: 9576: 9503: 9469: 9249: 9099: 8944: 8877: 8476: 8466: 8456: 8346: 8336: 8326: 8214: 8180: 8168: 7982: 7972: 7962: 7952: 7502: 5612: 5550:
ten Kate, Inge Loes (June 8, 2018). "Organic molecules on Mars".
3928: 3902: 3383:
Under specific conditions and in the presence of other chemicals
3342: 3239:
to the ring, and the unstable product is immediately reduced (by
3059: 3019: 2871: 2745: 2653: 2606: 2550: 2224: 2204: 2184: 2165: 2149: 2114: 2015: 2011: 1977: 1962: 1900: 1438: 1314: 649: 633: 600: 516: 318: 30:
This article is about the chemical compound. For other uses, see
7267:, Division of Toxicology and Environmental Medicine, August 2007 5417:(Investigations into the structure of di-substituted benzenes), 4531:), presents objections to it, presents an alternative geometry ( 4517:
Reports of the Proceedings of the Scientific Society of Freiburg
3845: 2795:
in the presence of a strong Lewis acid catalyst. Similarly, the
1027: 14366: 14187: 14169: 13632: 13602: 13104: 12778: 12741: 12363: 12316: 12187: 12169: 12129: 11813: 11611: 10172: 10104: 9948: 9657: 9650: 9544: 9525: 9514: 9498: 9444: 9144: 9063: 8963: 8912: 8486: 8481: 8461: 8421: 8361: 8356: 8351: 8341: 8331: 8292: 8219: 7997: 7992: 7987: 7977: 7967: 7957: 7922: 7872: 7827: 7709: 7670: 7109: 5516:"Life on Mars? Rover's Latest Discovery Puts It 'On the Table'" 5006:
Image and Reality: Kekule, Kopp, and the Scientific Imagination
3443: 3412: 3279: 3275: 3270:
2E1 (CYP2E1), quinine oxidoreductase (NQ01 or DT-diaphorase or
3236: 3200: 3109: 3091: 3075:. The measurement of benzene in humans can be accomplished via 3043: 3035: 2968: 2919: 2903: 2623: 2614: 2590: 2530: 2504: 2463: 2440: 2137:
with boiling points between 60 and 200 °C is blended with
2055: 2007: 1953: 1949: 1860: 1760: 1739: 1565: 1462: 1419: 1407: 220: 4279:
oily, which benzene is. Thus on page 44, Mitscherlich states:
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Immediately Dangerous to Life or Health Concentrations (IDLH)
3881:
in Linstrom, Peter J.; Mallard, William G. (eds.);
3064: 2847: 2219: 2122: 1896: 1864: 825: 342: 200: 178: 7528: 6951: 6571:
Rana SV; Verma Y (2005). "Biochemical toxicity of benzene".
6135:"Market Study: Benzene (2nd edition), Ceresana, August 2014" 4870:(in German), vol. 245, no. 1–2, pp. 103–190, 384: 11572: 9481: 6705:"Drinking Water Contaminants | Organic Chemicals | Benzene" 5434: 4458: 4355: 4088: 3497:
Industrial Union Department v. American Petroleum Institute
3485: 3244: 3240: 2639: 1908: 1801:(Journal of the Thirsty Chemical Society), a parody of the 1522: 1279: 1047: 506: 297: 7343: 6895: 6616: 4079:
The word "benzoin" is derived from the Arabic expression "
3883: 2767:
The most widely practiced example of this reaction is the
7183: 6597:
Agency for Toxic Substances and Disease Registry. (2007)
6194:"Control of Hazardous Air Pollutants From Mobile Sources" 6060: 4696:(in German), vol. 162, no. 1, pp. 77–124, 3299: 3055: 3007: 2955: 2631: 2335: 2319: 2306: 2290: 2274: 2261: 2248: 5754: 5211:"The Structure of the Benzene Ring in Hexamethylbenzene" 4095:
Fragrance: The Story of Perfume from Cleopatra to Chanel
6004:"Unicode Character 'BENZENE RING WITH CIRCLE' (U+23E3)" 4247:[On benzol and oily and fatty types of acids]. 4245:"Über das Benzol und die Säuren der Oel- und Talgarten" 3680: 3090:
Exposure to benzene may lead progressively to aplastic
2837: 2188: 1051: 10328: 7350:
Environmental Science: Water Research & Technology
6694:. Atsdr.cdc.gov (2011-03-03). Retrieved on 2011-11-23. 6617:
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3294:(which maintains chromosome structure), disruption of 2971:
and other illnesses, and is also a notorious cause of
2833:
Friedel-Crafts acylation of benzene by acetyl chloride
12961: 7313:"100 tonnes of pollutants spilled into Chinese river" 6816:
National Institute for Occupational Safety and Health
6317: 5789: 5613:
Eigenbrode, Jennifer L.; et al. (June 8, 2018).
5349: : 166–185; see especially p. 169. From p. 169: 4447:, the lowest known term of which is benzoic acid, … . 4022:
National Institute for Occupational Safety and Health
3989:
National Institute for Occupational Safety and Health
3160:
National Institute for Occupational Safety and Health
2342:{\displaystyle {\ce {C6H5CH3 + H2 -> C6H6 + CH4}}} 2236: 1097: 7147: 6381: 6379: 5697:
Proceedings of the Royal Society of London, Series A
5690:
Bacon, G. E.; Curry, N.; Wilson, S. (May 12, 1964).
4406: 3453: 2791:
of benzene (and many other aromatic rings) using an
1793:
own tail (a symbol in ancient cultures known as the
1043: 7305: 6732: 6730: 3419:, which supplies drinking water to the city, after 2609:, which is used to make polymers and plastics like 2117:hydrodealkylation, toluene disproportionation, and 1441:between the carbon atoms, benzene is classed as an 6104:"A pervasive molecule is captured in a photograph" 5884:"The electronic structure of the benzene molecule" 4535:), and concludes that his alternative is correct ( 4407:Hoffman, Augustus W. (1856). "On insolinic acid". 4218:Angewandte Chemie International Edition in English 2874:. Chlorination is achieved with chlorine to give 2807:of benzene (or many other aromatic rings) with an 2341: 1891:, much of benzene was obtained as a by-product of 1031: 12881:Unsorted benzodiazepine site positive modulators: 7025: 6376: 6246: 5480: 5437:Journal of Occupational and Environmental Hygiene 5009:. University of Chicago Press. pp. 186–227. 4713: 4685:"Ueber einige Condensationsproducte des Aldehyds" 2439:A typical reaction yield exceeds 95%. Sometimes, 14435: 6872:Agency for Toxic Substances and Disease Registry 6772:Agency for Toxic Substances and Disease Registry 6727: 6033:"Heterocyclic Chemistry: Heterocyclic Compounds" 5689: 4650:"Sur la constitution des substances aromatiques" 4599: 4242: 3406: 3032:Agency for Toxic Substances and Disease Registry 2183:In similar fashion to this catalytic reforming, 1418:atom attached to each. Because it contains only 330: 7921: 7006:Disposition of Toxic Drugs and Chemicals in Man 6211: 6160:"Market Study: Toluene, Ceresana, January 2015" 5882:Messmer, Richard P.; Schultz, Peter A. (1987). 5074: 4604:[Observations on the aromatic theory]. 4160:Philosophical Transactions of the Royal Society 2663: 1844:first applied Gräbe's nomenclature to benzene. 1177:497.78 °C (928.00 °F; 770.93 K) 1120: 164: 6570: 6287:, 16th ed., McGraw-Hill Professional, p. 618, 6249:Ullmann's Encyclopedia of Industrial Chemistry 5881: 5835:"Electronic structure of the benzene molecule" 5483:Ullmann’s Encyclopedia of Industrial Chemistry 5305: 5116:Berichte der Deutschen Chemischen Gesellschaft 4606:Berichte der Deutschen Chemischen Gesellschaft 4452: 3343:Biological oxidation and carcinogenic activity 2761:Electrophilic aromatic substitution of benzene 2462:) is the conversion of toluene to benzene and 1895:production (or "coke-oven light oil") for the 1803:Berichte der Deutschen Chemischen Gesellschaft 1799:Berichte der Durstigen Chemischen Gesellschaft 1163:−11.63 °C (11.07 °F; 261.52 K) 1055: 14474:GABAA receptor positive allosteric modulators 12947: 10314: 9355: 7888: 7686: 7544: 6768:"Benzene Toxicity: Standards and Regulations" 6742:Occupational Safety and Health Administration 6709:United States Environmental Protection Agency 5606: 5543: 5109: 4960: 4907:"Zur Kenntnis der ungesättigen Verbindungen," 4795:Journal of the Chemical Society, Transactions 4644: 4640: 4638: 4563:Proceedings of the Royal Society of Edinburgh 3660:(86th ed.). Boca Raton (FL): CRC Press. 3153:Occupational Safety and Health Administration 3130:United States Environmental Protection Agency 2719:United States Environmental Protection Agency 2449: 2073:. Replacing one CH with N gives the compound 2006:. Examples of simple benzene derivatives are 954:potential occupational carcinogen, flammable 6795: 6793: 5507: 5425: : 265–301; see especially pp. 299–300. 5251: 5205: 5151: 4859: 4120: 3886:, NIST Standard Reference Database Number 69 3771:Coker, A. Kayode; Ludwig, Ernest E. (2007). 3372: 3286:, and hydroquinone to both benzenetriol and 3058:. The major sources of benzene exposure are 2854:. Sulfonated benzene derivatives are useful 2194: 2022:, respectively. Linking benzene rings gives 1422:and hydrogen atoms, benzene is classed as a 531:5.53 °C (41.95 °F; 278.68 K) 10330: 7524:NLM Hazardous Substances Databank – Benzene 6499:International Agency for Research on Cancer 6226:: Melbourne University Press. p. 347. 5975:"Unicode Character 'BENZENE RING' (U+232C)" 5186: 4682: 4555: 4149: 3846:Atherton Seidell; William F. Linke (1952). 3813: 3811: 3809: 3807: 3805: 3770: 3619:Favre, Henri A.; Powell, Warren H. (2014). 3618: 3614: 3612: 1730:for benzene was long known, but its highly 541:80.1 °C (176.2 °F; 353.2 K) 12954: 12940: 10321: 10307: 9362: 9348: 7895: 7881: 7693: 7679: 7551: 7537: 6285:Harrison's Principles of Internal Medicine 5476: 5474: 4635: 4325:[On a reliable test for benzene]. 4215: 3709: 3423:in the city of Jilin on 13 November 2005. 3123: 2988:US Department of Health and Human Services 2521:aromatics (benzene, toluene and xylenes). 1863:. This discovery led to the production of 399: 270: 248: 7361: 7051: 6790: 6642: 6547: 6474: 6464: 6411: 6359: 6349: 6152: 6078: 5907: 5858: 5643: 5581: 5279: 5236: 5049:. New York: Dover Publications. pp.  4932: 4834: 4496: 4172: 3747: 3737: 3649: 3580:Liebig's Annalen der Chemie und Pharmacie 3438:government used benzene administered via 3411:In 2005, the water supply to the city of 3185: 3116:recommends that all workers wear special 2890:, benzene and its derivatives convert to 2697:(petrol) additive, benzene increases the 1980:Consortium has allocated a symbol in the 1610:Historic proposals of benzene structures 366: 7302:, May 19, 2006. 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Charles Scribner's Sons. p. 101. 3983:NIOSH Pocket Guide to Chemical Hazards. 3950: 3948: 3946: 3802: 3609: 3164:Immediately Dangerous to Life and Health 2954: 2862:, benzene reacts with nitronium ions (NO 2828: 2756: 2688: 2659: 1924: 7484:International Chemical Safety Card 0015 6808:Department of Health and Human Services 6738:"Chemical Sampling Information Benzene" 5832: 5471: 4762:"The structure of cycloid hydrocarbons" 4320: 3978: 3976: 3974: 3325: 1929:The various representations of benzene. 395: 14: 14436: 7494:NIOSH Pocket Guide to Chemical Hazards 7296:"FDA: Too Much Benzene In Some Drinks" 6623:British Journal of Industrial Medicine 6521: 6102:Browne, Malcolm W. (August 16, 1988), 6101: 4602:"Bemerkungen zur aromatischen Theorie" 4092: 3874: 3872: 3870: 3841: 3839: 3777:. Vol. 1. Elsevier. p. 114. 3251:. The catechol is then metabolized to 3144:. The maximum contaminant level goal ( 3071:tubes, which are then analyzed with a 3025: 2617:and acetone for resins and adhesives. 2356:(aka diphenyl) at higher temperature: 2128: 1987: 261: 12935: 10302: 9369: 9343: 7876: 7674: 7532: 6868:"Public Health Statement for Benzene" 6818:(NIOSH). October 2004. Archived from 6446: 6385: 5513: 5481:Hillis O. Folkins (2005). "Benzene". 5002: 4111: 3943: 3658:CRC Handbook of Chemistry and Physics 3354: 3218: 2133:In catalytic reforming, a mixture of 2085:N. Although benzene and pyridine are 1847: 1525:material was derived from benzoin by 427:Key: UHOVQNZJYSORNB-UHFFFAOYSA-N 228: 208: 12922:GABA metabolism/transport modulators 6675:. Osha.gov. Retrieved on 2011-11-23. 6323: 6116:from the original on August 12, 2021 5671:from the original on August 25, 2021 5397: : 20–28; see especially p. 26. 5040: 4358:"Untersuchung des Steinkohlentheers" 4356:Mansfield Charles Blachford (1849). 4060: 3971: 3655: 3586:(1): 77–124, 309–320. From p. 89: 3553: 2838:Sulfonation, chlorination, nitration 1742:atom, was challenging to determine. 1445:. Benzene is a colorless and highly 1429:Benzene is a natural constituent of 12539:Trichloroethane (methyl chloroform) 7177: 7141: 7103: 7028:"An overview of benzene metabolism" 6599:Benzene: Patient information sheet. 6095: 5389:(On the structure of naphthalene), 4862:"Über die Constitution des Benzols" 4767:Proceedings of the Chemical Society 3867: 3836: 2801:electrophilic aromatic substitution 2738:Electrophilic aromatic substitution 1410:atoms joined in a planar hexagonal 321: 305: 72:Skeletal formula detail of benzene. 24: 14326:Nexus for Exoplanet System Science 11602:11-Methoxy-12-hydroxydehydrokavain 7378:"Selections and lethal injections" 7325:from the original on 10 March 2020 6801:"NIOSH respirator selection logic" 4917:Justus Liebig’s Annalen der Chemie 4889:Justus Liebig’s Annalen der Chemie 4333:(2): 200–205, especially 204–205. 3627:. pp. 10, 22, 204, 494, 577. 3259:, used by organisms mainly in the 2913: 2850:, a mixture of sulfuric acid with 2744:that it undergoes substitution by 2018:, abbreviated PhOH, PhMe, and PhNH 1856:popularized the use of benzene to 1116: 424:InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H 80: 67: 25: 14545: 14226:Atomic and molecular astrophysics 12963:Molecules detected in outer space 12349:Acetylglycinamide chloral hydrate 7489:USEPA Summary of Benzene Toxicity 7436: 7420:from the original on May 11, 2019 5528:from the original on May 28, 2019 4867:Justus Liebigs Annalen der Chemie 3442:as one of their many methods for 3337:fluorescent in situ hybridization 3272:NAD(P)H dehydrogenase (quinone 1) 2950: 2752:to give substituted derivatives. 2545:to benzene. The reaction of the 2491: 1819:methods. Using large crystals of 14416: 14404: 14392: 14381: 14380: 13187: 13178: 13169: 7902: 7700: 7443: 7402: 7390:from the original on May 9, 2020 7370: 7337: 7289: 7270: 7258:Public Health Statement. Benzene 7251: 7232: 7220: 5419:Annalen der Chemie und Pharmacie 5391:Annalen der Chemie und Pharmacie 5259:Proceedings of the Royal Society 5216:Proceedings of the Royal Society 4693:Annalen der Chemie und Pharmacie 4523: : 116–381. In the section 4410:Proceedings of the Royal Society 4362:Annalen der Chemie und Pharmacie 4345:from the original on 2015-11-22. 4327:Annalen der Chemie und Pharmacie 4294:Annales de Chemie et de Physique 3470: 3456: 3302:strand breaks, and altering DNA 2881: 2777: 2524: 1776: 1693: 1686: 1679: 1661: 1629: 1622: 1615: 1556:. He gave the compound the name 1346: 997: 992: 987: 982: 977: 475: 99: 50: 14351:Polycyclic aromatic hydrocarbon 12769:Menthyl isovalerate (validolum) 7383:Auschwitz-Birkenau State Museum 7068: 7026:Snyder, R; Hedli, C.C. (1996). 7019: 6998: 6985: 6955:Chemico-Biological Interactions 6945: 6934:from the original on 2011-11-22 6889: 6878:from the original on 2012-01-20 6860: 6830: 6810:(DHHS), Public Health Service, 6760: 6697: 6678: 6659: 6610: 6591: 6564: 6515: 6512:, Volumes 1 to 42, Supplement 7 6491: 6447:Smith, Martyn T. (2010-01-01). 6440: 6428: 6298: 6273: 6240: 6186: 6177: 6141:from the original on 2017-12-21 6054: 6043:from the original on 2016-04-06 6025: 6014:from the original on 2009-07-03 5996: 5985:from the original on 2009-02-19 5967: 5924: 5875: 5826: 5783: 5748: 5683: 5514:Chang, Kenneth (June 7, 2018). 5428: 5400: 5372: 5364:Neues Handwörterbuch der Chemie 5356: 5324: 5299: 5288:from the original on 2021-03-19 5245: 5199: 5180: 5145: 5134:from the original on 2007-05-16 5103: 5067: 5034: 5023:from the original on 2020-07-27 4996: 4985:from the original on 2021-12-26 4954: 4943:from the original on 2016-05-07 4926: 4881: 4853: 4778:from the original on 2021-11-16 4749: 4738:from the original on 2015-10-22 4720:Journal of the Chemical Society 4707: 4676: 4664:from the original on 2015-11-14 4624:from the original on 2015-11-22 4593: 4582:from the original on 2015-11-24 4549: 4504: 4400: 4391: 4380:from the original on 2015-10-27 4349: 4314: 4286: 4269:from the original on 2015-11-23 4236: 4209: 4189:from the original on 2020-11-21 4143: 4073: 4054: 4028: 4006: 3995: 3917: 3856:from the original on 2020-03-11 3825:from the original on 2014-05-29 3791:from the original on 2016-03-12 3560: 2846:of benzene involves the use of 1826: 1602: 1437:. Due to the cyclic continuous 1342:(at 25 °C , 100 kPa). 11718:Allopregnanolone (brexanolone) 6453:Annual Review of Public Health 6162:. ceresana.com. Archived from 3891: 3764: 3703: 3674: 2967:, which increases the risk of 2293: 1718:Friedrich Karl Johannes Thiele 1560:. In 1836, the French chemist 941:Occupational safety and health 469: 13: 1: 14276:Extraterrestrial liquid water 12914:Receptor/signaling modulators 11470:Ampelopsin (dihydromyricetin) 7558: 6257:10.1002/14356007.a10_035.pub2 5154:Journal of Chemical Education 5077:Journal of Chemical Education 4477:Astrophysical Journal Letters 3710:Breslow, R.; Guo, T. (1990). 3602: 3407:Contamination of water supply 3359: 3180: 2996:acute nonlymphocytic leukemia 2499:is the process for producing 2104: 1882: 1433:and is one of the elementary 1247:(US health exposure limits): 12664:ergoloid (dihydroergotoxine) 11749:anabolic-androgenic steroids 10531:Butabarbital/Secbutabarbital 10336:receptor positive modulators 7477:The Periodic Table of Videos 7163:10.1016/0165-1218(94)90028-0 7127:10.1016/j.toxlet.2009.04.028 7089:10.1016/j.toxlet.2008.09.008 6351:10.1371/journal.pone.0100307 6220:Chemistry: A structural view 6080:10.1016/j.catcom.2022.106541 4905:See further: Thiele (1901) 4061:Shao, Elena (28 June 2022). 2984:American Petroleum Institute 2803:. The reaction involves the 2731: 2537:can be reduced with metals. 2164:with any one of a number of 1956:, which has 14. Benzene and 1914: 1700: 1668: 1636: 1606: 1504: 1480:. Its particular effects on 1453:. It is used primarily as a 85:Benzene ball-and-stick model 7: 13507:Protonated hydrogen cyanide 11304:Triflunordazepam (Ro5-2904) 6842:Centers for Disease Control 6812:Centers for Disease Control 6039:, Department of Chemistry. 4475:, and Benzene in CRL 618", 3449: 3429: 3172:recommended exposure limits 2963:Benzene is classified as a 1581:Charles Blachford Mansfield 1476:Benzene is classified as a 1231:44,000 ppm (rabbit, 30 min) 1195:or concentration (LD, LC): 654:20 °C, solution in acetone: 638:20 °C, solution in ethanol: 567:17.8 g/kg (200 °C, 40 MPa) 565:21.7 g/kg (200 °C, 6.5 MPa) 106:Benzene at room temperature 63: 10: 14550: 11632:5,6,7,8-Tetrahydroyangonin 7480:(University of Nottingham) 7186:J Toxicol Environ Health A 6917:10.1093/clinchem/40.7.1401 6885:– via Atsdr.cdc.gov. 6528:Int J Occup Environ Health 6305:Merck Manual, Home Edition 5362:Hermann von Fehling, ed., 4714:Armstrong Henry E (1887). 4296:, vol. 63, pp. 27–45, see 3968:. Retrieved on 2014-05-29. 3625:Royal Society of Chemistry 3376: 2450:Toluene disproportionation 2141:gas and then exposed to a 1991: 1918: 1585:August Wilhelm von Hofmann 1499: 1237:20,000 ppm (human, 5 min) 138:Annulene (not recommended) 36: 29: 14375: 14266:Earliest known life forms 14261:Diffuse interstellar band 14201: 14121: 14046: 13937: 13872: 13812: 13740: 13732:Protonated cyanoacetylene 13646: 13540: 13502:Protonated carbon dioxide 13462:Hydromagnesium isocyanide 13410: 13196: 13167: 12978: 12969: 12907: 12557: 12325: 12262: 12229: 12196: 12168: 11882: 11824:Pregnanolone (eltanolone) 11703: 11660: 11571: 11543: 11455: 11337: 10779: 10466: 10367:Chlorobutanol (cloretone) 10342: 10257: 10216: 10136: 10113: 10075: 10052: 9947: 9868: 9738: 9715: 9671: 9614: 9537: 9512: 9377: 9306: 9268: 9242: 9207: 9163: 9135: 9098: 9089: 9056: 9028: 9019: 8999: 8962: 8953: 8935: 8870: 8827: 8818: 8807: 8762: 8709: 8656: 8638: 8598: 8545: 8500: 8444: 8420: 8370: 8314: 8291: 8278: 8258: 8190: 8159: 8119: 8066: 8006: 7945: 7910: 7849: 7826: 7761: 7708: 7654: 7623: 7566: 7198:10.1080/15287390802349974 6971:10.1016/j.cbi.2005.03.031 6827:publication No. 2005-100. 6806:. Cincinnati, Ohio: U.S. 6540:10.1179/oeh.2007.13.2.213 6386:Smith, Martyn T. (2010). 6314:, "Overview of Leukemia". 6037:Michigan State University 5449:10.1080/15459620701446642 5128:10.1002/cber.189002301204 5045:From alchemy to chemistry 4600:Ladenburg Albert (1869). 4576:10.1017/S0370164600045387 4525:Aromatischen Verbindungen 4243:Mitscherlich, E. (1834). 4137:10.1080/00033798500200411 4093:Morris, Edwin T. (1984). 3925:"Benzenide (CID 5150480)" 3899:"Benzenium (CID 12533897" 3656:Lide, D. R., ed. (2005). 3401:World Health Organization 3373:Exposure from soft drinks 3134:maximum contaminant level 2902:, such as finely divided 2789:Friedel-Crafts alkylation 2603:American Chemical Society 2195:Toluene hydrodealkylation 1734:structure, with just one 1669: 1660: 1609: 1471:volatile organic compound 1336: 1329: 1324: 1303: 1241: 1191: 958: 938: 933: 831: 797: 456: 436: 411: 148: 128: 116: 111: 98: 62: 49: 14529:Sweet-smelling chemicals 14489:IARC Group 1 carcinogens 14479:Hazardous air pollutants 14311:Iron–sulfur world theory 14306:Photodissociation region 14009:Methyl-cyano-diacetylene 12918:GABA receptor modulators 12828:sulfonmethane (sulfonal) 6067:Catalysis Communications 5491:10.1002/14356007.a03_475 4979:10.1002/jlac.18661370202 4876:10.1002/jlac.18882450110 4760:Armstrong, H.E. (1890). 4702:10.1002/jlac.18721620110 4618:10.1002/cber.18690020171 4374:10.1002/jlac.18490690203 4339:10.1002/jlac.18450550205 4263:10.1002/jlac.18340090103 2918:Benzene is an excellent 2799:is a related example of 2797:Friedel-Crafts acylation 2565:gives benzene. Complete 1587:, isolated benzene from 1490:Boston metropolitan area 1325:Supplementary data page 1273:Ca TWA 0.1 ppm ST 1 ppm 1072:Precautionary statements 37:Not to be confused with 32:Benzene (disambiguation) 14386:Category:Astrochemistry 13976:, fullerene, buckyball) 13663:Cyanobutadiynyl radical 13638:Silicon-carbide cluster 13628:Protonated formaldehyde 10268:chemical classification 7277:Benzene, CASRN: 71-43-2 7044:10.1289/ehp.96104s61165 7032:Environ Health Perspect 5833:Pauling, Linus (1987). 5645:10.1126/science.aas9185 5574:10.1126/science.aat2662 5485:. Weinheim: Wiley-VCH. 5330:Wilhelm Körner (1867) 4539:). See also figures on 4321:Hofmann, A. W. (1845). 3263:for energy production. 3213:1,2,4-trihydroxybenzene 3124:Benzene exposure limits 2900:heterogeneous catalysts 2576: 1982:Miscellaneous Technical 1790:German Chemical Society 1756:Friedrich August Kekulé 1640:Adolf Karl Ludwig Claus 745:Magnetic susceptibility 14399:Outer space portal 14241:Circumstellar envelope 13206:Aluminium(I) hydroxide 13116:Phosphorus mononitride 12993:Aluminium monofluoride 12988:Aluminium monochloride 12804:Retigabine (ezogabine) 12080:Lirequinil (Ro41-3696) 11647:7,8-Dihydromethysticin 11637:5,6-Dehydromethysticin 10516:Benzylbutylbarbiturate 9230:1,3,5-Triheptylbenzene 7602:Cyclotetradecaheptaene 7038:(Suppl 6): 1165–1171. 6744:(OSHA). Archived from 6392:Annu Rev Public Health 5718:10.1098/rspa.1964.0092 5281:10.1098/rspa.1931.0166 5238:10.1098/rspa.1929.0081 5110:Kekulé, F. A. (1890). 4961:Kekulé, F. A. (1866). 4933:Loschmidt, J. (1861). 4423:10.1098/rspl.1856.0002 4230:10.1002/anie.196803451 4174:10.1098/rstl.1825.0022 3884:NIST Chemistry WebBook 3379:Benzene in soft drinks 3316:phenylmercapturic acid 3197:phenylmercapturic acid 3186:Biomarkers of exposure 2992:acute myeloid leukemia 2960: 2834: 2762: 2685: 2541:and its salts undergo 2509:aliphatic hydrocarbons 2469:Given that demand for 2343: 2121:etc. According to the 1930: 1905:petrochemical industry 1748:Johann Josef Loschmidt 1744:Archibald Scott Couper 1704:Henry Edward Armstrong 1597:detected in deep space 1535:bicarburet of hydrogen 1213:930 mg/kg (rat, oral) 1127: 658:49.4 mL/L (62.5% v/v) 656:7.69 mL/L (38.46% v/v) 86: 73: 14514:Simple aromatic rings 14454:Aromatic hydrocarbons 14296:Interplanetary medium 14271:Extraterrestrial life 13909:Octatetraynyl radical 13527:Tricarbon monosulfide 13074:Magnesium monohydride 10275:chemical nomenclature 9225:1,3,5-Triethylbenzene 6844:(CDC). Archived from 6711:(EPA). Archived from 5252:Lonsdale, K. (1931). 5003:Rocke, A. J. (2010). 4860:Adolf Baeyer (1888), 4250:Annalen der Pharmacie 3739:10.1073/pnas.87.1.167 3633:10.1039/9781849733069 3491:1,2,3-Cyclohexatriene 3393:Food Standards Agency 3387:(a preservative) and 3042:, and fabrication of 2958: 2832: 2760: 2689:Component of gasoline 2683: 2344: 1994:Aromatic hydrocarbons 1928: 1496:in some individuals. 1126: 624:7.61 g/100 g (60 °C) 84: 71: 14484:Hydrocarbon solvents 14423:Chemistry portal 14411:Astronomy portal 14357:RNA world hypothesis 14341:PAH world hypothesis 14034:Heptatrienyl radical 13966:Buckminsterfullerene 13854:Methylcyanoacetylene 13362:Silicon carbonitride 13337:Methylidynephosphane 13303:Magnesium isocyanide 13211:Aluminium isocyanide 13013:Carbon monophosphide 12859:constituents (e.g., 12643:Deuterated etifoxine 11705:Neuroactive steroids 11675:Apronal (apronalide) 11527:constituents (e.g., 11144:N-Desalkylflurazepam 8628:Isopropylcyclohexene 8210:Perhydrophenanthrene 8149:Isopropylcyclohexane 7614:Cyclooctadecanonaene 7608:Cyclohexadecaoctaene 7321:. 25 November 2005. 7239:ToxGuide for Benzene 6635:10.1136/oem.48.7.437 5406:Victor Meyer (1870) 5073:English translation 4807:10.1039/ct9252701604 4732:10.1039/ct8875100258 4683:Aug. Kekulé (1872), 4556:Dewar James (1869). 4036:"Benzene fact sheet" 3326:Molecular toxicology 3162:(NIOSH) revised the 2870:is the precursor to 2559:Alkyne trimerisation 2234: 1967:resonance structures 1539:Eilhard Mitscherlich 1443:aromatic hydrocarbon 1260:TWA 1 ppm, ST 5 ppm 1109:(fire diamond) 622:6.61 g/100 g (40 °C) 620:5.83 g/100 g (20 °C) 118:Preferred IUPAC name 89:Ball and stick model 27:Hydrocarbon compound 14469:Commodity chemicals 14301:Interstellar medium 14281:Forbidden mechanism 14094:Hydrogen isocyanide 13784:Hexatriynyl radical 13367:c-Silicon dicarbide 13272:Hydrogen isocyanide 13136:Silicon monosulfide 13111:Phosphorus monoxide 13079:Methylidyne radical 13038:Fluoromethylidynium 12998:Aluminium(II) oxide 12652:dihydroergocryptine 11964:Pyrazolopyrimidines 11622:5,6-Dihydroyangonin 11607:7,8-Dihydroyangonin 10794:3-Hydroxyphenazepam 10636:Methylphenobarbital 9731:not C, H or O) 9324:Alicyclic compounds 9137:Tetramethylbenzenes 7804:1,4-Cycloheptadiene 7799:1,3-Cycloheptadiene 7227:ToxFAQs for Benzene 6963:2005CBI...153..253F 6825:on August 29, 2017. 6715:on February 2, 2015 6342:2014PLoSO...9j0307B 5945:1987Natur.329..491H 5900:1987Natur.329..492M 5851:1987Natur.325..396P 5804:1986Natur.323..699C 5710:1964RSPSA.279...98B 5636:2018Sci...360.1096E 5630:(6393): 1096–1101. 5566:2018Sci...360.1068T 5560:(6393): 1068–1069. 5272:1931RSPSA.133..536L 5229:1929RSPSA.123..494L 5166:1958JChEd..35...21B 5089:1965JChEd..42..266W 5041:Read, John (1995). 4489:2001ApJ...546L.123C 3730:1990PNAS...87..167B 3697:10.1021/i460004a016 3168:breathing apparatus 3118:breathing equipment 3054:, medications, and 3026:Exposure to benzene 2973:bone marrow failure 2898:in the presence of 2555:hypophosphorus acid 2337: 2321: 2308: 2292: 2276: 2263: 2250: 2129:Catalytic reforming 2111:catalytic reforming 1988:Benzene derivatives 1831:The German chemist 1467:industrial chemical 1406:is composed of six 1331:Benzene (data page) 672:52 g/100 g (20 °C) 640:1.2 mL/L (20% v/v) 548:Solubility in water 493: g·mol 57:Space-filling model 46: 14524:Soil contamination 14519:Six-membered rings 14321:Molecules in stars 14291:Intergalactic dust 14236:Circumstellar dust 14178:Naphthalene cation 14113:Trihydrogen cation 14089:Hydrogen deuteride 14014:Methyltriacetylene 13849:Hexapentaenylidene 13668:E-Cyanomethanimine 13588:Cyclopropenylidene 13522:Tricarbon monoxide 13512:Silicon tricarbide 13482:Methylene amidogen 13472:Isothiocyanic acid 13387:Thioxoethenylidene 13347:Trihydrogen cation 13161:Titanium(II) oxide 13121:Potassium chloride 13100:Sulfur mononitride 13043:Helium hydride ion 13018:Carbon monosulfide 12746:4-O-methylhonokiol 12409:Dichloralphenazone 12307:Methylmethaqualone 11884:Nonbenzodiazepines 11597:Desmethoxyyangonin 11592:11-Hydroxyyangonin 11587:11-Methoxyyangonin 11582:10-Methoxyyangonin 10969:Ethyl carfluzepate 10571:Cyclopentobarbital 10173:Hypervalent iodine 9281:Cyclopropenylidene 8618:Methylcyclopentene 8608:Methylcyclopropene 8139:Methylcyclopentane 8129:Methylcyclopropane 7816:1,5-Cyclooctadiene 7789:1,4-Cyclohexadiene 7784:1,3-Cyclohexadiene 7596:Cyclododecahexaene 7363:10.1039/D0EW00836B 7282:2011-10-22 at the 7263:2010-05-27 at the 7244:2010-05-28 at the 7077:Toxicology Letters 7004:Baselt, R. (2008) 6993:2009 TLVs and BEIs 6957:. 153–154: 253–6. 6911:(7 Pt 2): 1401–4. 6905:Clinical Chemistry 6690:2010-05-28 at the 6671:2015-06-29 at the 6604:2014-12-15 at the 6508:2008-03-06 at the 6310:2011-09-29 at the 6109:The New York Times 5521:The New York Times 5337:2017-07-07 at the 5112:"Benzolfest: Rede" 4912:2021-12-26 at the 4901:2020-03-10 at the 4894:: 87–142; see: 4303:2015-03-20 at the 4067:The New York Times 4042:. 2 September 2021 3964:2016-12-01 at the 3905:. February 8, 2007 3574:2020-03-20 at the 3464:Environment portal 3355:Routes of exposure 3235:enzyme can add an 3219:Biotransformations 3069:activated charcoal 3010:strand breaks and 2961: 2835: 2824:Iron(III) chloride 2820:aluminium chloride 2763: 2686: 2547:diazonium compound 2514:pyrolysis gasoline 2456:disproportionation 2339: 2325: 2309: 2296: 2280: 2264: 2251: 2238: 1931: 1848:Early applications 1769:arene substitution 1486:The New York Times 1369:Infobox references 1304:Related compounds 1282:(Immediate danger) 1128: 793:0.3075 cP (80 °C) 87: 74: 44: 14459:Aromatic solvents 14431: 14430: 14346:Pseudo-panspermia 14042: 14041: 13989:Cyanodecapentayne 13929:N-Methylformamide 13904:Methyldiacetylene 13829:Aminoacetonitrile 13799:Methyl isocyanate 13717:Methyl isocyanide 13598:Isocyanoacetylene 13578:Cyanoformaldehyde 13457:Hydrogen peroxide 13342:Potassium cyanide 13298:Magnesium cyanide 13251:Disilicon carbide 13246:Dicarbon monoxide 13053:Hydrogen fluoride 13048:Hydrogen chloride 12929: 12928: 12889:MRK-409 (MK-0343) 12660:dihydroergotamine 12603:potassium bromide 12597:compounds (e.g., 12544:Trichloroethylene 12312:Nitromethaqualone 12231:Pyrazolopyridines 11733:3α-Androstanediol 11627:7,8-Dihydrokavain 10979:Ethyl loflazepate 10756:Thiotetrabarbital 10372:Ethanol (alcohol) 10296: 10295: 10234:Sulfenyl chloride 10212: 10211: 9711: 9710: 9530:(only C, H and O) 9371:Functional groups 9337: 9336: 9302: 9301: 9238: 9237: 9215:Hexamethylbenzene 9203: 9202: 9085: 9084: 9030:Trimethylbenzenes 9015: 9014: 8931: 8930: 8803: 8802: 8790:Cyclododecatriene 8785:Cyclooctatetraene 8623:Methylcyclohexene 8613:Methylcyclobutene 8600:Alkylcycloalkenes 8541: 8540: 8416: 8415: 8274: 8273: 8144:Methylcyclohexane 8134:Methylcyclobutane 8121:Alkylcycloalkanes 8062: 8061: 7870: 7869: 7862:Cyclononatetraene 7857:Cyclooctatetraene 7668: 7667: 7646:Cyclononatetraene 7591:Cyclodecapentaene 7586:Cyclooctatetraene 7519:Substance profile 7192:(22): 1482–1489. 6279:Kasper, Dennis L. 6233:978-0-522-83988-3 6224:Carlton, Victoria 5939:(6139): 491–492. 5798:(6090): 699–701. 5769:10.1021/ja0630285 5097:10.1021/ed042p266 4936:Chemische Studien 4836:10.1021/cr0300946 4829:(10): 3436–3447. 4124:Annals of Science 3784:978-0-7506-7766-0 3642:978-0-85404-182-4 3623:. Cambridge: The 3554:Explanatory notes 3278:(benzene oxide), 3261:citric acid cycle 3073:gas chromatograph 3030:According to the 3014:damage, hence is 2328: 2312: 2299: 2283: 2267: 2254: 2241: 2201:hydrodealkylation 2170:diethylene glycol 2146:platinum chloride 1934:X-ray diffraction 1821:hexamethylbenzene 1817:X-ray diffraction 1813:Kathleen Lonsdale 1728:empirical formula 1724: 1723: 1392:molecular formula 1388:chemical compound 1377:Chemical compound 1375: 1374: 1310:Related compounds 1292:Safety data sheet 1022:Hazard statements 791:0.4965 cP (40 °C) 789:0.6076 cP (25 °C) 699:181 kPa (100 °C) 668:diethylene glycol 563:3.94 g/L (100 °C) 501:Colorless liquid 380:CompTox Dashboard 190:Interactive image 133:(historic/German) 94: 93: 39:Petroleum benzine 16:(Redirected from 14541: 14504:Chemical hazards 14421: 14420: 14419: 14409: 14408: 14407: 14397: 14396: 14395: 14384: 14383: 14331:Organic compound 14231:Chemical formula 14136:Dihydroxyacetone 14084:Hydrogen cyanide 13769:Cyanodiacetylene 13623:Propadienylidene 13517:Thioformaldehyde 13392:Titanium dioxide 13357:Sodium hydroxide 13278:Hydrogen sulfide 13266:Hydrogen cyanide 13226:Carbonyl sulfide 13191: 13182: 13173: 13131:Silicon monoxide 13064:Hydroxyl radical 12976: 12975: 12956: 12949: 12942: 12933: 12932: 12648:Dihydroergolines 12565:3-Hydroxybutanal 12198:Piperidinediones 11931:Imidazopyridines 11465:6-Methylapigenin 11397:Hydroxyphenamate 11269:SH-053-R-CH3-2′F 10974:Ethyl dirazepate 10854:Chlordiazepoxide 10746:Thiobutabarbital 10458:Trifluoroethanol 10448:Trichloroethanol 10438:-Pentanol (2M2B) 10332: 10323: 10316: 10309: 10300: 10299: 10263: 10168:Trifluoromethoxy 9736: 9735: 9732: 9535: 9534: 9531: 9384: 9364: 9357: 9350: 9341: 9340: 9294:-Propenylbenzene 9096: 9095: 9026: 9025: 8960: 8959: 8951: 8950: 8825: 8824: 8816: 8815: 8501:Branched alkynes 8442: 8441: 8371:Branched alkenes 8312: 8311: 8289: 8288: 8192:Polycycloalkanes 8177:(bicycloheptane) 8171:(bicyclopentane) 8007:Branched alkanes 7943: 7942: 7919: 7918: 7897: 7890: 7883: 7874: 7873: 7841:Cycloheptatriene 7795:Cycloheptadiene 7695: 7688: 7681: 7672: 7671: 7641:Cycloheptatriene 7553: 7546: 7539: 7530: 7529: 7447: 7446: 7430: 7429: 7427: 7425: 7406: 7400: 7399: 7397: 7395: 7374: 7368: 7367: 7365: 7341: 7335: 7334: 7332: 7330: 7309: 7303: 7293: 7287: 7274: 7268: 7255: 7249: 7236: 7230: 7224: 7218: 7217: 7181: 7175: 7174: 7145: 7139: 7138: 7107: 7101: 7100: 7072: 7066: 7065: 7055: 7023: 7017: 7002: 6996: 6989: 6983: 6982: 6949: 6943: 6942: 6940: 6939: 6933: 6902: 6893: 6887: 6886: 6884: 6883: 6864: 6858: 6857: 6855: 6853: 6848:on July 22, 2012 6834: 6828: 6826: 6824: 6805: 6797: 6788: 6787: 6785: 6783: 6778:on June 10, 2010 6764: 6758: 6757: 6755: 6753: 6748:on June 29, 2015 6734: 6725: 6724: 6722: 6720: 6701: 6695: 6682: 6676: 6663: 6657: 6656: 6646: 6614: 6608: 6595: 6589: 6588: 6568: 6562: 6561: 6551: 6519: 6513: 6495: 6489: 6488: 6478: 6468: 6444: 6438: 6432: 6426: 6425: 6415: 6383: 6374: 6373: 6363: 6353: 6324:Bard, D (2014). 6321: 6315: 6302: 6296: 6277: 6271: 6270: 6244: 6238: 6237: 6215: 6209: 6208: 6206: 6205: 6190: 6184: 6181: 6175: 6174: 6172: 6171: 6156: 6150: 6149: 6147: 6146: 6137:. ceresana.com. 6131: 6125: 6124: 6123: 6121: 6099: 6093: 6092: 6082: 6058: 6052: 6051: 6049: 6048: 6029: 6023: 6022: 6020: 6019: 6000: 5994: 5993: 5991: 5990: 5971: 5965: 5964: 5953:10.1038/329491b0 5928: 5922: 5921: 5911: 5909:10.1038/329492a0 5879: 5873: 5872: 5862: 5860:10.1038/325396d0 5830: 5824: 5823: 5812:10.1038/323699a0 5787: 5781: 5780: 5752: 5746: 5745: 5704:(1376): 98–110. 5687: 5681: 5680: 5678: 5676: 5670: 5647: 5619: 5610: 5604: 5603: 5585: 5547: 5541: 5540: 5535: 5533: 5511: 5505: 5504: 5478: 5469: 5468: 5432: 5426: 5404: 5398: 5376: 5370: 5360: 5354: 5328: 5322: 5321: 5319: 5318: 5303: 5297: 5296: 5294: 5293: 5283: 5266:(822): 536–553. 5249: 5243: 5242: 5240: 5223:(792): 494–515. 5203: 5197: 5196: 5184: 5178: 5177: 5174:10.1021/ed035p21 5149: 5143: 5142: 5140: 5139: 5107: 5101: 5100: 5071: 5065: 5064: 5048: 5038: 5032: 5031: 5029: 5028: 5000: 4994: 4993: 4991: 4990: 4958: 4952: 4951: 4949: 4948: 4930: 4924: 4885: 4879: 4878: 4857: 4851: 4848: 4838: 4823:Chemical Reviews 4810: 4786: 4784: 4783: 4753: 4747: 4746: 4744: 4743: 4711: 4705: 4704: 4689: 4680: 4674: 4672: 4670: 4669: 4642: 4633: 4632: 4630: 4629: 4597: 4591: 4590: 4588: 4587: 4553: 4547: 4508: 4502: 4501: 4500: 4483:(2): L123–L126, 4456: 4450: 4449: 4404: 4398: 4395: 4389: 4388: 4386: 4385: 4353: 4347: 4346: 4318: 4312: 4290: 4284: 4277: 4275: 4274: 4240: 4234: 4233: 4213: 4207: 4197: 4195: 4194: 4176: 4147: 4141: 4140: 4118: 4109: 4108: 4077: 4071: 4070: 4058: 4052: 4051: 4049: 4047: 4032: 4026: 4025: 4010: 4004: 3999: 3993: 3992: 3980: 3969: 3952: 3941: 3940: 3938: 3936: 3921: 3915: 3914: 3912: 3910: 3895: 3889: 3876: 3865: 3864: 3862: 3861: 3852:. Van Nostrand. 3843: 3834: 3833: 3831: 3830: 3815: 3800: 3799: 3797: 3796: 3768: 3762: 3761: 3751: 3741: 3707: 3701: 3700: 3678: 3672: 3671: 3653: 3647: 3646: 3616: 3596: 3564: 3480: 3475: 3474: 3473: 3466: 3461: 3460: 3292:topoisomerase II 3100:multiple myeloma 3040:synthetic fibers 3038:, production of 2781: 2662: 2431: 2430: 2429: 2421: 2420: 2412: 2411: 2403: 2402: 2392: 2391: 2390: 2380: 2379: 2378: 2370: 2369: 2348: 2346: 2345: 2340: 2338: 2336: 2333: 2326: 2320: 2317: 2310: 2307: 2304: 2297: 2291: 2288: 2281: 2275: 2272: 2265: 2262: 2259: 2252: 2249: 2246: 2239: 2004:functional group 1810:crystallographer 1780: 1711:Adolf von Baeyer 1697: 1690: 1683: 1665: 1654:Albert Ladenburg 1633: 1626: 1619: 1607: 1583:, working under 1513:" derives from " 1359: 1353: 1350: 1349: 1235:52,308 ppm (cat) 1233:44,923 ppm (dog) 1225:lowest published 1183:Explosive limits 1148: 1141: 1134: 1119: 1099: 1095: 1091: 1087: 1083: 1079: 1065: 1061: 1057: 1053: 1049: 1045: 1041: 1037: 1033: 1029: 1001: 996: 991: 986: 981: 925: 898: 871: 847: 832:Thermochemistry 758:Refractive index 751:−54.8·10 cm/mol 697:24.4 kPa (40 °C) 695:12.7 kPa (25 °C) 561:2.26 g/L (61 °C) 559:1.84 g/L (30 °C) 557:1.79 g/L (15 °C) 521:0.8765(20) g/cm 492: 477: 471: 464:Chemical formula 404: 403: 388: 386: 370: 334: 323: 309: 282: 274: 263: 252: 232: 212: 192: 168: 103: 64: 54: 47: 43: 21: 14549: 14548: 14544: 14543: 14542: 14540: 14539: 14538: 14434: 14433: 14432: 14427: 14417: 14415: 14405: 14403: 14393: 14391: 14371: 14197: 14173: 14164: 14117: 14107: 14050: 14038: 14019:Propionaldehyde 13994:Ethylene glycol 13983: 13975: 13971: 13942: 13940: 13933: 13889:Cyanohexatriyne 13875: 13868: 13815: 13808: 13743: 13736: 13696: 13649: 13642: 13613:Methoxy radical 13543: 13536: 13532:Thiocyanic acid 13413: 13406: 13316: 13256:Ethynyl radical 13192: 13186: 13185: 13184: 13183: 13177: 13176: 13175: 13174: 13165: 13156:Sulfur monoxide 13141:Sodium chloride 13126:Silicon carbide 13033:Diatomic carbon 13023:Carbon monoxide 12965: 12960: 12930: 12925: 12903: 12861:isovaleric acid 12824:Sulfonylalkanes 12722:Hopantenic acid 12706:tolfenamic acid 12694:flufenamic acid 12656:dihydroergosine 12599:lithium bromide 12558:Others/unsorted 12553: 12414:Dichloromethane 12389:Chloral hydrate 12384:Chloral betaine 12321: 12258: 12225: 12192: 12164: 11893:Cyclopyrrolones 11878: 11784:Etiocholanolone 11699: 11656: 11617:5-Hydroxykavain 11567: 11539: 11451: 11333: 10781:Benzodiazepines 10775: 10586:Ethallobarbital 10581:Enallylpropymal 10462: 10443:Tribromoethanol 10430:-Butanol (2M2P) 10376:alcoholic drink 10338: 10335: 10327: 10297: 10292: 10261: 10253: 10208: 10163:Trichloromethyl 10158:Trifluoromethyl 10132: 10109: 10071: 10048: 9943: 9912:Phosphine oxide 9864: 9730: 9728: 9727: 9725: 9723: 9721: 9719: 9717: 9707: 9667: 9610: 9529: 9528: 9523: 9518: 9508: 9382: 9381: 9373: 9368: 9338: 9333: 9329:Petroleum jelly 9298: 9286:Phenylacetylene 9264: 9234: 9199: 9195:Isobutylbenzene 9159: 9131: 9081: 9052: 9011: 8995: 8949: 8927: 8866: 8810: 8799: 8758: 8705: 8652: 8634: 8594: 8537: 8496: 8438: 8430: 8424: 8412: 8366: 8308: 8301: 8295: 8284: 8282: 8270: 8254: 8186: 8183:(bicyclodecane) 8155: 8115: 8058: 8024:3-Methylpentane 8002: 7939: 7931: 7925: 7914: 7912: 7906: 7901: 7871: 7866: 7845: 7822: 7780:Cyclohexadiene 7776:Cyclopentadiene 7757: 7704: 7699: 7669: 7664: 7650: 7636:Cyclopentadiene 7619: 7562: 7557: 7468: 7467: 7466: 7448: 7444: 7439: 7434: 7433: 7423: 7421: 7416:. 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June 24, 2005 3923: 3922: 3918: 3908: 3906: 3897: 3896: 3892: 3877: 3868: 3859: 3857: 3844: 3837: 3828: 3826: 3817: 3816: 3803: 3794: 3792: 3785: 3769: 3765: 3708: 3704: 3679: 3675: 3668: 3654: 3650: 3643: 3617: 3610: 3605: 3600: 3599: 3576:Wayback Machine 3565: 3561: 3556: 3548:telluropyrylium 3478:Medicine portal 3476: 3471: 3469: 3462: 3455: 3452: 3432: 3409: 3381: 3375: 3362: 3357: 3345: 3328: 3268:cytochrome P450 3231:. In bacteria, 3221: 3188: 3183: 3136:for benzene in 3126: 3028: 2953: 2945: 2939: 2935: 2931: 2916: 2914:Metal complexes 2908:Birch reduction 2884: 2865: 2852:sulfur trioxide 2840: 2811:using a strong 2748:ions and alkyl 2734: 2707:tetraethyl lead 2691: 2682: 2660: 2579: 2573:gives benzene. 2567:decarboxylation 2557:gives benzene. 2543:decarboxylation 2527: 2494: 2452: 2428: 2425: 2424: 2423: 2419: 2416: 2415: 2414: 2410: 2407: 2406: 2405: 2401: 2398: 2397: 2396: 2394: 2389: 2386: 2385: 2384: 2382: 2377: 2374: 2373: 2372: 2368: 2365: 2364: 2363: 2361: 2334: 2329: 2318: 2313: 2305: 2300: 2289: 2284: 2273: 2268: 2260: 2255: 2247: 2242: 2237: 2235: 2232: 2231: 2197: 2131: 2107: 2084: 2080: 2041: 2037: 2033: 2029: 2021: 2000: 1992:Main articles: 1990: 1923: 1917: 1885: 1873:paint strippers 1854:Ludwig Roselius 1850: 1829: 1784: 1781: 1732:polyunsaturated 1605: 1562:Auguste Laurent 1541:produced it by 1531:Michael Faraday 1507: 1502: 1401: 1397: 1378: 1371: 1366: 1365: 1364:  ?) 1355: 1351: 1347: 1343: 1317: 1311: 1283: 1270: 1257: 1236: 1234: 1232: 1228: 1222: 1210: 1204: 1174: 1171: 1153: 1152: 1151: 1150: 1143: 1136: 1129: 1125: 1117: 1074: 1024: 1010: 974: 951: 929:-3267.6 kJ/mol 926: 923: 917: 913: 910: 909:Std enthalpy of 899: 896: 890: 886: 883: 882:Std enthalpy of 875:173.26 J/mol·K 872: 869: 862: 859: 848: 841: 821: 811:Trigonal planar 807: 805:Molecular shape 792: 790: 788: 773:1.4948 (30 °C) 772: 768: 766: 748: 734: 698: 696: 657: 655: 639: 623: 621: 593: 586: 566: 564: 562: 560: 558: 556: 555:1.81 g/L (9 °C) 554: 553:1.53 g/L (0 °C) 550: 511:sweet aromatic 490: 480: 474: 466: 452: 449: 444: 443: 432: 429: 428: 425: 419: 418: 407: 389: 382: 373: 353: 337: 324: 312: 292: 255: 235: 215: 195: 182: 171: 158: 144: 139: 137: 135: 124: 123: 107: 104: 90: 77: 58: 55: 42: 35: 28: 23: 22: 15: 12: 11: 5: 14547: 14537: 14536: 14531: 14526: 14521: 14516: 14511: 14509:Petrochemicals 14506: 14501: 14496: 14491: 14486: 14481: 14476: 14471: 14466: 14461: 14456: 14451: 14446: 14429: 14428: 14426: 14425: 14413: 14401: 14389: 14376: 14373: 14372: 14370: 14369: 14364: 14359: 14354: 14348: 14343: 14338: 14333: 14328: 14323: 14318: 14313: 14308: 14303: 14298: 14293: 14288: 14283: 14278: 14273: 14268: 14263: 14258: 14256:Cosmochemistry 14253: 14248: 14243: 14238: 14233: 14228: 14223: 14221:Astrochemistry 14218: 14213: 14207: 14205: 14199: 14198: 14196: 14195: 14190: 14185: 14180: 14175: 14171: 14167: 14162: 14158: 14153: 14148: 14143: 14138: 14133: 14127: 14125: 14119: 14118: 14116: 14115: 14110: 14105: 14101: 14096: 14091: 14086: 14081: 14076: 14074:Formyl radical 14071: 14066: 14060: 14054: 14052: 14044: 14043: 14040: 14039: 14037: 14036: 14031: 14026: 14021: 14016: 14011: 14006: 14004:Methyl acetate 14001: 13996: 13991: 13986: 13981: 13977: 13973: 13969: 13963: 13958: 13953: 13947: 13945: 13935: 13934: 13932: 13931: 13926: 13921: 13916: 13911: 13906: 13901: 13896: 13894:Dimethyl ether 13891: 13886: 13880: 13878: 13870: 13869: 13867: 13866: 13861: 13859:Methyl formate 13856: 13851: 13846: 13844:Glycolaldehyde 13841: 13836: 13831: 13826: 13820: 13818: 13810: 13809: 13807: 13806: 13801: 13796: 13791: 13786: 13781: 13779:Glycolonitrile 13776: 13774:Ethylene oxide 13771: 13766: 13765: 13764: 13754: 13748: 13746: 13738: 13737: 13735: 13734: 13729: 13724: 13719: 13714: 13709: 13704: 13699: 13694: 13690: 13685: 13680: 13675: 13673:Cyclopropenone 13670: 13665: 13660: 13654: 13652: 13644: 13643: 13641: 13640: 13635: 13630: 13625: 13620: 13615: 13610: 13605: 13600: 13595: 13590: 13585: 13580: 13575: 13573:Cyanoacetylene 13570: 13565: 13560: 13555: 13548: 13546: 13538: 13537: 13535: 13534: 13529: 13524: 13519: 13514: 13509: 13504: 13499: 13494: 13492:Methyl radical 13489: 13484: 13479: 13474: 13469: 13467:Isocyanic acid 13464: 13459: 13454: 13449: 13444: 13439: 13434: 13432:Isocyanic acid 13429: 13424: 13418: 13416: 13408: 13407: 13405: 13404: 13399: 13394: 13389: 13384: 13379: 13377:Sulfur dioxide 13374: 13369: 13364: 13359: 13354: 13352:Sodium cyanide 13349: 13344: 13339: 13334: 13329: 13324: 13319: 13314: 13310: 13305: 13300: 13295: 13290: 13285: 13280: 13275: 13269: 13263: 13261:Formyl radical 13258: 13253: 13248: 13243: 13238: 13233: 13228: 13223: 13221:Carbon dioxide 13218: 13213: 13208: 13202: 13200: 13194: 13193: 13168: 13166: 13164: 13163: 13158: 13153: 13148: 13143: 13138: 13133: 13128: 13123: 13118: 13113: 13108: 13102: 13097: 13092: 13086: 13081: 13076: 13071: 13069:Iron(II) oxide 13066: 13061: 13055: 13050: 13045: 13040: 13035: 13030: 13025: 13020: 13015: 13010: 13005: 13000: 12995: 12990: 12984: 12982: 12973: 12967: 12966: 12959: 12958: 12951: 12944: 12936: 12927: 12926: 12908: 12905: 12904: 12902: 12901: 12896: 12891: 12886: 12877: 12876: 12869:valerenic acid 12854: 12849: 12839: 12821: 12816: 12811: 12806: 12801: 12796: 12791: 12786: 12781: 12776: 12771: 12766: 12761: 12739: 12734: 12729: 12724: 12719: 12714: 12709: 12698:mefenamic acid 12687: 12682: 12677: 12672: 12667: 12645: 12640: 12635: 12630: 12625: 12620: 12615: 12610: 12607:sodium bromide 12592: 12582: 12577: 12572: 12567: 12561: 12559: 12555: 12554: 12552: 12551: 12546: 12541: 12536: 12531: 12526: 12521: 12516: 12511: 12506: 12501: 12496: 12491: 12486: 12481: 12476: 12474:Methoxypropane 12471: 12469:Methoxyflurane 12466: 12461: 12456: 12451: 12446: 12441: 12436: 12431: 12429:Ethyl chloride 12426: 12421: 12416: 12411: 12406: 12401: 12396: 12391: 12386: 12381: 12376: 12371: 12366: 12361: 12356: 12351: 12346: 12341: 12335: 12333: 12323: 12322: 12320: 12319: 12314: 12309: 12304: 12299: 12294: 12289: 12284: 12279: 12274: 12268: 12266: 12264:Quinazolinones 12260: 12259: 12257: 12256: 12251: 12246: 12241: 12235: 12233: 12227: 12226: 12224: 12223: 12218: 12213: 12208: 12202: 12200: 12194: 12193: 12191: 12190: 12185: 12180: 12174: 12172: 12166: 12165: 12163: 12162: 12157: 12152: 12147: 12142: 12137: 12132: 12127: 12122: 12117: 12112: 12107: 12102: 12097: 12092: 12087: 12082: 12077: 12072: 12067: 12062: 12057: 12052: 12047: 12042: 12037: 12032: 12027: 12022: 12017: 12007: 12006: 12001: 11996: 11991: 11986: 11981: 11976: 11971: 11959: 11958: 11953: 11948: 11943: 11938: 11926: 11925: 11920: 11915: 11910: 11905: 11900: 11888: 11886: 11880: 11879: 11877: 11876: 11871: 11866: 11861: 11856: 11851: 11846: 11841: 11836: 11831: 11826: 11821: 11816: 11811: 11806: 11801: 11796: 11791: 11786: 11781: 11776: 11771: 11766: 11761: 11756: 11751: 11745: 11740: 11735: 11730: 11725: 11720: 11715: 11709: 11707: 11701: 11700: 11698: 11697: 11692: 11687: 11682: 11677: 11672: 11666: 11664: 11658: 11657: 11655: 11654: 11649: 11644: 11639: 11634: 11629: 11624: 11619: 11614: 11609: 11604: 11599: 11594: 11589: 11584: 11578: 11576: 11569: 11568: 11566: 11565: 11560: 11555: 11549: 11547: 11541: 11540: 11538: 11537: 11532: 11522: 11517: 11512: 11507: 11502: 11497: 11492: 11487: 11482: 11477: 11472: 11467: 11461: 11459: 11453: 11452: 11450: 11449: 11444: 11439: 11434: 11429: 11424: 11419: 11414: 11409: 11404: 11399: 11394: 11389: 11384: 11379: 11374: 11369: 11364: 11359: 11354: 11349: 11343: 11341: 11335: 11334: 11332: 11331: 11326: 11321: 11316: 11311: 11306: 11301: 11296: 11291: 11286: 11281: 11276: 11271: 11266: 11261: 11256: 11251: 11246: 11241: 11236: 11231: 11226: 11221: 11216: 11211: 11206: 11201: 11196: 11191: 11186: 11181: 11176: 11171: 11166: 11161: 11156: 11151: 11146: 11141: 11136: 11131: 11126: 11121: 11116: 11111: 11106: 11101: 11096: 11091: 11086: 11081: 11076: 11071: 11066: 11061: 11056: 11051: 11046: 11041: 11036: 11031: 11026: 11021: 11016: 11011: 11006: 11001: 10996: 10991: 10986: 10981: 10976: 10971: 10966: 10961: 10956: 10951: 10946: 10941: 10936: 10931: 10926: 10921: 10916: 10911: 10906: 10901: 10896: 10891: 10886: 10881: 10876: 10871: 10866: 10861: 10856: 10851: 10846: 10841: 10836: 10831: 10826: 10821: 10816: 10811: 10806: 10801: 10796: 10791: 10785: 10783: 10777: 10776: 10774: 10773: 10768: 10763: 10758: 10753: 10748: 10743: 10738: 10733: 10728: 10723: 10718: 10713: 10708: 10703: 10698: 10693: 10688: 10686:Propylbarbital 10683: 10678: 10673: 10668: 10663: 10658: 10653: 10648: 10643: 10638: 10633: 10628: 10623: 10618: 10613: 10608: 10603: 10598: 10593: 10588: 10583: 10578: 10573: 10568: 10563: 10561:Crotylbarbital 10558: 10553: 10548: 10543: 10538: 10533: 10528: 10526:Brophebarbital 10523: 10521:Brallobarbital 10518: 10513: 10508: 10503: 10498: 10493: 10488: 10483: 10478: 10472: 10470: 10464: 10463: 10461: 10460: 10455: 10450: 10445: 10440: 10432: 10424: 10419: 10414: 10409: 10407:Methylpentynol 10404: 10399: 10394: 10389: 10384: 10379: 10369: 10364: 10359: 10354: 10348: 10346: 10340: 10339: 10333: 10326: 10325: 10318: 10311: 10303: 10294: 10293: 10291: 10290: 10289: 10288: 10283: 10271: 10264: 10258: 10255: 10254: 10252: 10251: 10249:Sulfinylamines 10246: 10241: 10236: 10231: 10229:Phosphoramides 10226: 10224:Isothiocyanate 10220: 10218: 10214: 10213: 10210: 10209: 10207: 10206: 10201: 10200: 10199: 10189: 10188: 10187: 10177: 10176: 10175: 10170: 10165: 10160: 10155: 10144: 10142: 10134: 10133: 10131: 10130: 10125: 10119: 10117: 10111: 10110: 10108: 10107: 10102: 10100:Selenenic acid 10097: 10095:Seleninic acid 10092: 10090:Selenonic acid 10087: 10081: 10079: 10073: 10072: 10070: 10069: 10064: 10058: 10056: 10050: 10049: 10047: 10046: 10041: 10036: 10031: 10026: 10021: 10016: 10011: 10006: 10001: 9996: 9991: 9986: 9981: 9976: 9971: 9970: 9969: 9959: 9953: 9951: 9945: 9944: 9942: 9941: 9936: 9931: 9926: 9925: 9924: 9914: 9909: 9904: 9899: 9898: 9897: 9887: 9886: 9885: 9883:Phosphodiester 9874: 9872: 9866: 9865: 9863: 9862: 9857: 9852: 9847: 9842: 9837: 9832: 9827: 9822: 9817: 9812: 9807: 9802: 9797: 9792: 9787: 9782: 9777: 9772: 9767: 9762: 9761: 9760: 9755: 9744: 9742: 9733: 9729:(one element, 9713: 9712: 9709: 9708: 9706: 9705: 9704: 9703: 9693: 9692: 9691: 9686: 9675: 9673: 9669: 9668: 9666: 9665: 9660: 9655: 9654: 9653: 9643: 9642: 9641: 9636: 9631: 9620: 9618: 9612: 9611: 9609: 9608: 9606:Methylenedioxy 9603: 9598: 9597: 9596: 9591: 9581: 9580: 9579: 9574: 9564: 9563: 9562: 9552: 9547: 9541: 9539: 9532: 9510: 9509: 9507: 9506: 9501: 9496: 9495: 9494: 9489: 9479: 9478: 9477: 9472: 9467: 9462: 9457: 9452: 9442: 9441: 9440: 9435: 9425: 9424: 9423: 9418: 9413: 9408: 9403: 9398: 9387: 9385: 9383:(only C and H) 9375: 9374: 9367: 9366: 9359: 9352: 9344: 9335: 9334: 9332: 9331: 9326: 9321: 9316: 9310: 9308: 9304: 9303: 9300: 9299: 9297: 9296: 9288: 9283: 9278: 9272: 9270: 9266: 9265: 9263: 9262: 9260:4-Vinyltoluene 9257: 9255:Divinylbenzene 9252: 9246: 9244: 9240: 9239: 9236: 9235: 9233: 9232: 9227: 9222: 9220:2-Phenylhexane 9217: 9211: 9209: 9205: 9204: 9201: 9200: 9198: 9197: 9192: 9184: 9176: 9167: 9165: 9161: 9160: 9158: 9157: 9152: 9147: 9141: 9139: 9133: 9132: 9130: 9129: 9121: 9113: 9104: 9102: 9093: 9087: 9086: 9083: 9082: 9080: 9079: 9077:4-Ethyltoluene 9074: 9072:-Propylbenzene 9066: 9060: 9058: 9054: 9053: 9051: 9050: 9045: 9040: 9034: 9032: 9023: 9017: 9016: 9013: 9012: 9010: 9009: 9003: 9001: 8997: 8996: 8994: 8993: 8985: 8977: 8968: 8966: 8957: 8948: 8947: 8941: 8939: 8933: 8932: 8929: 8928: 8926: 8925: 8920: 8915: 8910: 8905: 8900: 8895: 8890: 8885: 8880: 8874: 8872: 8868: 8867: 8865: 8864: 8859: 8854: 8849: 8844: 8839: 8833: 8831: 8822: 8813: 8805: 8804: 8801: 8800: 8798: 8797: 8792: 8787: 8782: 8777: 8772: 8766: 8764: 8760: 8759: 8757: 8756: 8751: 8746: 8741: 8736: 8731: 8726: 8721: 8715: 8713: 8707: 8706: 8704: 8703: 8698: 8693: 8688: 8683: 8678: 8673: 8668: 8662: 8660: 8654: 8653: 8651: 8650: 8644: 8642: 8640:Bicycloalkenes 8636: 8635: 8633: 8632: 8630: 8625: 8620: 8615: 8610: 8604: 8602: 8596: 8595: 8593: 8592: 8587: 8582: 8577: 8572: 8567: 8562: 8557: 8551: 8549: 8543: 8542: 8539: 8538: 8536: 8535: 8530: 8525: 8520: 8515: 8510: 8504: 8502: 8498: 8497: 8495: 8494: 8489: 8484: 8479: 8474: 8469: 8464: 8459: 8454: 8448: 8446: 8445:Linear alkynes 8439: 8432: 8426: 8418: 8417: 8414: 8413: 8411: 8410: 8405: 8400: 8395: 8390: 8385: 8380: 8374: 8372: 8368: 8367: 8365: 8364: 8359: 8354: 8349: 8344: 8339: 8334: 8329: 8324: 8318: 8316: 8315:Linear alkenes 8309: 8303: 8297: 8286: 8276: 8275: 8272: 8271: 8269: 8268: 8262: 8260: 8256: 8255: 8253: 8252: 8247: 8242: 8237: 8232: 8227: 8222: 8217: 8212: 8207: 8202: 8196: 8194: 8188: 8187: 8185: 8184: 8178: 8172: 8165: 8163: 8161:Bicycloalkanes 8157: 8156: 8154: 8153: 8151: 8146: 8141: 8136: 8131: 8125: 8123: 8117: 8116: 8114: 8113: 8108: 8103: 8098: 8093: 8088: 8083: 8078: 8072: 8070: 8064: 8063: 8060: 8059: 8057: 8056: 8051: 8046: 8041: 8036: 8031: 8026: 8021: 8016: 8010: 8008: 8004: 8003: 8001: 8000: 7995: 7990: 7985: 7980: 7975: 7970: 7965: 7960: 7955: 7949: 7947: 7946:Linear alkanes 7940: 7933: 7927: 7916: 7908: 7907: 7900: 7899: 7892: 7885: 7877: 7868: 7867: 7865: 7864: 7859: 7853: 7851: 7847: 7846: 7844: 7843: 7838: 7832: 7830: 7824: 7823: 7821: 7820: 7819: 7818: 7811:Cyclooctadiene 7808: 7807: 7806: 7801: 7793: 7792: 7791: 7786: 7778: 7773: 7771:Cyclobutadiene 7767: 7765: 7759: 7758: 7756: 7755: 7750: 7745: 7740: 7735: 7730: 7725: 7720: 7714: 7712: 7706: 7705: 7698: 7697: 7690: 7683: 7675: 7666: 7665: 7655: 7652: 7651: 7649: 7648: 7643: 7638: 7633: 7627: 7625: 7621: 7620: 7618: 7617: 7610: 7605: 7598: 7593: 7588: 7583: 7576: 7574:Cyclobutadiene 7570: 7568: 7564: 7563: 7556: 7555: 7548: 7541: 7533: 7527: 7526: 7521: 7516: 7510: 7505: 7496: 7491: 7486: 7481: 7449: 7442: 7441: 7440: 7438: 7437:External links 7435: 7432: 7431: 7401: 7369: 7356:(2): 274–284. 7336: 7304: 7288: 7269: 7250: 7231: 7219: 7176: 7140: 7102: 7067: 7018: 6997: 6991:ACGIH (2009). 6984: 6944: 6888: 6859: 6829: 6789: 6759: 6726: 6696: 6677: 6658: 6609: 6590: 6573:J Environ Biol 6563: 6514: 6490: 6459:(1): 133–148. 6439: 6427: 6375: 6316: 6297: 6272: 6265: 6239: 6232: 6210: 6185: 6176: 6151: 6126: 6094: 6053: 6024: 5995: 5966: 5923: 5874: 5825: 5782: 5763:(29): 9342–3. 5747: 5682: 5605: 5542: 5506: 5500:978-3527306732 5499: 5470: 5443:(8): 547–561. 5427: 5413:2015-10-23 at 5399: 5385:2015-11-28 at 5378:Graebe (1869) 5371: 5355: 5345:, 2nd series, 5323: 5298: 5244: 5198: 5179: 5144: 5102: 5066: 5059: 5033: 5016:978-0226723358 5015: 4995: 4953: 4925: 4880: 4852: 4850: 4849: 4812: 4811: 4788: 4787: 4748: 4706: 4675: 4634: 4592: 4548: 4519:in Breisgau), 4503: 4498:10.1086/318871 4472: 4468: 4464: 4460: 4451: 4444: 4440: 4436: 4399: 4390: 4368:(2): 162–180. 4348: 4313: 4285: 4235: 4224:(5): 345–350. 4208: 4203: 4199: 4142: 4110: 4104:978-0684181950 4103: 4072: 4053: 4027: 4005: 3994: 3970: 3942: 3916: 3890: 3866: 3835: 3801: 3783: 3763: 3702: 3691:(2): 253–256. 3673: 3666: 3648: 3641: 3607: 3606: 3604: 3601: 3598: 3597: 3558: 3557: 3555: 3552: 3551: 3550: 3544:selenopyrylium 3500: 3493: 3488: 3482: 3481: 3467: 3451: 3448: 3431: 3428: 3408: 3405: 3397:United Kingdom 3377:Main article: 3374: 3371: 3361: 3358: 3356: 3353: 3344: 3341: 3327: 3324: 3243:) to a cyclic 3220: 3217: 3187: 3184: 3182: 3179: 3142:leukemogenesis 3138:drinking water 3125: 3122: 3027: 3024: 2952: 2951:Health effects 2949: 2943: 2937: 2933: 2929: 2924:organometallic 2915: 2912: 2883: 2880: 2863: 2839: 2836: 2785: 2784: 2783: 2782: 2765: 2764: 2733: 2730: 2690: 2687: 2578: 2575: 2526: 2523: 2497:Steam cracking 2493: 2492:Steam cracking 2490: 2451: 2448: 2433: 2432: 2426: 2417: 2408: 2399: 2387: 2375: 2366: 2350: 2349: 2332: 2324: 2316: 2303: 2295: 2287: 2279: 2271: 2258: 2245: 2196: 2193: 2130: 2127: 2119:steam cracking 2106: 2103: 2082: 2078: 2039: 2035: 2031: 2027: 2019: 1989: 1986: 1946:delocalization 1940:(pm). The C–C 1919:Main article: 1916: 1913: 1884: 1881: 1877:rubber cements 1849: 1846: 1833:Wilhelm Körner 1828: 1825: 1786: 1785: 1782: 1775: 1765:monoderivative 1738:atom for each 1722: 1721: 1714: 1707: 1699: 1698: 1691: 1684: 1676: 1675: 1667: 1666: 1658: 1657: 1650: 1643: 1635: 1634: 1627: 1620: 1612: 1611: 1604: 1601: 1572:benzene, and " 1506: 1503: 1501: 1498: 1435:petrochemicals 1402:. The benzene 1399: 1395: 1376: 1373: 1372: 1367: 1345: 1344: 1340:standard state 1337: 1334: 1333: 1327: 1326: 1322: 1321: 1312: 1309: 1306: 1305: 1301: 1300: 1295: 1288: 1287: 1284: 1278: 1275: 1274: 1271: 1265: 1262: 1261: 1258: 1252: 1249: 1248: 1239: 1238: 1229: 1220: 1218: 1215: 1214: 1211: 1202: 1200: 1197: 1196: 1189: 1188: 1185: 1179: 1178: 1175: 1168: 1165: 1164: 1161: 1155: 1154: 1144: 1137: 1130: 1115: 1114: 1113: 1112: 1110: 1101: 1100: 1090:P305+P351+P338 1075: 1070: 1067: 1066: 1025: 1020: 1017: 1016: 1011: 1006: 1003: 1002: 975: 970: 967: 966: 956: 955: 952: 949: 946: 945: 936: 935: 931: 930: 927: 921: 915: 907: 904: 903: 900: 894: 888: 880: 877: 876: 873: 867: 856: 853: 852: 851:134.8 J/mol·K 849: 837: 834: 833: 829: 828: 822: 817: 814: 813: 808: 803: 800: 799: 795: 794: 781: 775: 774: 771:1.5011 (20 °C) 769: 764: 756: 753: 752: 749: 743: 740: 739: 736: 732: 725: 724: 719: 717:Conjugate base 713: 712: 707: 705:Conjugate acid 701: 700: 693: 691:Vapor pressure 687: 686: 683: 674: 673: 670: 660: 659: 652: 642: 641: 636: 626: 625: 618: 608: 607: 591: 584: 575: 569: 568: 551: 546: 543: 542: 539: 533: 532: 529: 523: 522: 519: 513: 512: 509: 503: 502: 499: 495: 494: 488: 482: 481: 478: 472: 467: 462: 459: 458: 454: 453: 451: 450: 447: 439: 438: 437: 434: 433: 431: 430: 426: 423: 422: 414: 413: 412: 409: 408: 406: 405: 392: 390: 378: 375: 374: 372: 371: 363: 361: 355: 354: 352: 351: 347: 345: 339: 338: 336: 335: 327: 325: 317: 314: 313: 311: 310: 302: 300: 294: 293: 291: 290: 286: 284: 276: 275: 265: 257: 256: 254: 253: 245: 243: 237: 236: 234: 233: 225: 223: 217: 216: 214: 213: 205: 203: 197: 196: 194: 193: 185: 183: 176: 173: 172: 170: 169: 161: 159: 154: 151: 150: 146: 145: 130: 126: 125: 121: 120: 114: 113: 109: 108: 105: 96: 95: 92: 91: 88: 78: 75: 60: 59: 56: 26: 9: 6: 4: 3: 2: 14546: 14535: 14532: 14530: 14527: 14525: 14522: 14520: 14517: 14515: 14512: 14510: 14507: 14505: 14502: 14500: 14497: 14495: 14492: 14490: 14487: 14485: 14482: 14480: 14477: 14475: 14472: 14470: 14467: 14465: 14462: 14460: 14457: 14455: 14452: 14450: 14447: 14445: 14442: 14441: 14439: 14424: 14414: 14412: 14402: 14400: 14390: 14388: 14387: 14378: 14377: 14374: 14368: 14365: 14363: 14360: 14358: 14355: 14352: 14349: 14347: 14344: 14342: 14339: 14337: 14334: 14332: 14329: 14327: 14324: 14322: 14319: 14317: 14314: 14312: 14309: 14307: 14304: 14302: 14299: 14297: 14294: 14292: 14289: 14287: 14286:Homochirality 14284: 14282: 14279: 14277: 14274: 14272: 14269: 14267: 14264: 14262: 14259: 14257: 14254: 14252: 14249: 14247: 14244: 14242: 14239: 14237: 14234: 14232: 14229: 14227: 14224: 14222: 14219: 14217: 14214: 14212: 14209: 14208: 14206: 14204: 14200: 14194: 14191: 14189: 14186: 14184: 14181: 14179: 14176: 14174: 14168: 14166: 14159: 14157: 14154: 14152: 14149: 14147: 14144: 14142: 14141:Methoxyethane 14139: 14137: 14134: 14132: 14129: 14128: 14126: 14124: 14120: 14114: 14111: 14109: 14102: 14100: 14097: 14095: 14092: 14090: 14087: 14085: 14082: 14080: 14077: 14075: 14072: 14070: 14067: 14064: 14061: 14059: 14056: 14055: 14053: 14049: 14045: 14035: 14032: 14030: 14027: 14025: 14024:Butyronitrile 14022: 14020: 14017: 14015: 14012: 14010: 14007: 14005: 14002: 14000: 13999:Ethyl formate 13997: 13995: 13992: 13990: 13987: 13985: 13978: 13967: 13964: 13962: 13959: 13957: 13954: 13952: 13949: 13948: 13946: 13944: 13936: 13930: 13927: 13925: 13924:Propionitrile 13922: 13920: 13917: 13915: 13912: 13910: 13907: 13905: 13902: 13900: 13897: 13895: 13892: 13890: 13887: 13885: 13882: 13881: 13879: 13877: 13871: 13865: 13862: 13860: 13857: 13855: 13852: 13850: 13847: 13845: 13842: 13840: 13837: 13835: 13832: 13830: 13827: 13825: 13822: 13821: 13819: 13817: 13811: 13805: 13804:Vinyl alcohol 13802: 13800: 13797: 13795: 13792: 13790: 13787: 13785: 13782: 13780: 13777: 13775: 13772: 13770: 13767: 13763: 13762:Vinyl cyanide 13760: 13759: 13758: 13757:Acrylonitrile 13755: 13753: 13750: 13749: 13747: 13745: 13739: 13733: 13730: 13728: 13725: 13723: 13722:Pentynylidyne 13720: 13718: 13715: 13713: 13710: 13708: 13705: 13703: 13700: 13698: 13691: 13689: 13686: 13684: 13681: 13679: 13676: 13674: 13671: 13669: 13666: 13664: 13661: 13659: 13656: 13655: 13653: 13651: 13645: 13639: 13636: 13634: 13631: 13629: 13626: 13624: 13621: 13619: 13618:Methylenimine 13616: 13614: 13611: 13609: 13606: 13604: 13601: 13599: 13596: 13594: 13591: 13589: 13586: 13584: 13581: 13579: 13576: 13574: 13571: 13569: 13566: 13564: 13561: 13559: 13556: 13553: 13550: 13549: 13547: 13545: 13539: 13533: 13530: 13528: 13525: 13523: 13520: 13518: 13515: 13513: 13510: 13508: 13505: 13503: 13500: 13498: 13497:Propynylidyne 13495: 13493: 13490: 13488: 13487:Methyl cation 13485: 13483: 13480: 13478: 13475: 13473: 13470: 13468: 13465: 13463: 13460: 13458: 13455: 13453: 13450: 13448: 13447:Fulminic acid 13445: 13443: 13440: 13438: 13435: 13433: 13430: 13428: 13425: 13423: 13420: 13419: 13417: 13415: 13409: 13403: 13400: 13398: 13395: 13393: 13390: 13388: 13385: 13383: 13380: 13378: 13375: 13373: 13370: 13368: 13365: 13363: 13360: 13358: 13355: 13353: 13350: 13348: 13345: 13343: 13340: 13338: 13335: 13333: 13330: 13328: 13325: 13323: 13322:Nitrous oxide 13320: 13318: 13311: 13309: 13306: 13304: 13301: 13299: 13296: 13294: 13291: 13289: 13286: 13284: 13281: 13279: 13276: 13273: 13270: 13267: 13264: 13262: 13259: 13257: 13254: 13252: 13249: 13247: 13244: 13242: 13239: 13237: 13234: 13232: 13229: 13227: 13224: 13222: 13219: 13217: 13216:Amino radical 13214: 13212: 13209: 13207: 13204: 13203: 13201: 13199: 13195: 13190: 13181: 13172: 13162: 13159: 13157: 13154: 13152: 13149: 13147: 13146:Sodium iodide 13144: 13142: 13139: 13137: 13134: 13132: 13129: 13127: 13124: 13122: 13119: 13117: 13114: 13112: 13109: 13106: 13103: 13101: 13098: 13096: 13093: 13090: 13087: 13085: 13082: 13080: 13077: 13075: 13072: 13070: 13067: 13065: 13062: 13059: 13056: 13054: 13051: 13049: 13046: 13044: 13041: 13039: 13036: 13034: 13031: 13029: 13028:Cyano radical 13026: 13024: 13021: 13019: 13016: 13014: 13011: 13009: 13008:Carbon cation 13006: 13004: 13001: 12999: 12996: 12994: 12991: 12989: 12986: 12985: 12983: 12981: 12977: 12974: 12972: 12968: 12964: 12957: 12952: 12950: 12945: 12943: 12938: 12937: 12934: 12924: 12923: 12919: 12915: 12912: 12906: 12900: 12897: 12895: 12892: 12890: 12887: 12885: 12882: 12879: 12878: 12874: 12870: 12866: 12865:isovaleramide 12862: 12858: 12855: 12853: 12850: 12847: 12843: 12840: 12837: 12833: 12829: 12825: 12822: 12820: 12817: 12815: 12812: 12810: 12807: 12805: 12802: 12800: 12797: 12795: 12792: 12790: 12787: 12785: 12782: 12780: 12777: 12775: 12772: 12770: 12767: 12765: 12762: 12759: 12755: 12751: 12747: 12743: 12740: 12738: 12735: 12733: 12730: 12728: 12725: 12723: 12720: 12718: 12715: 12713: 12710: 12707: 12703: 12702:niflumic acid 12699: 12695: 12691: 12688: 12686: 12683: 12681: 12678: 12676: 12673: 12671: 12668: 12665: 12661: 12657: 12653: 12649: 12646: 12644: 12641: 12639: 12636: 12634: 12631: 12629: 12628:Clomethiazole 12626: 12624: 12623:Chlormezanone 12621: 12619: 12616: 12614: 12613:Carbamazepine 12611: 12608: 12604: 12600: 12596: 12593: 12590: 12586: 12583: 12581: 12578: 12576: 12573: 12571: 12568: 12566: 12563: 12562: 12560: 12556: 12550: 12547: 12545: 12542: 12540: 12537: 12535: 12532: 12530: 12527: 12525: 12522: 12520: 12517: 12515: 12512: 12510: 12507: 12505: 12502: 12500: 12497: 12495: 12492: 12490: 12489:Nitrous oxide 12487: 12485: 12482: 12480: 12477: 12475: 12472: 12470: 12467: 12465: 12462: 12460: 12457: 12455: 12452: 12450: 12447: 12445: 12442: 12440: 12437: 12435: 12432: 12430: 12427: 12425: 12422: 12420: 12419:Diethyl ether 12417: 12415: 12412: 12410: 12407: 12405: 12402: 12400: 12397: 12395: 12392: 12390: 12387: 12385: 12382: 12380: 12377: 12375: 12372: 12370: 12367: 12365: 12362: 12360: 12357: 12355: 12352: 12350: 12347: 12345: 12342: 12340: 12337: 12336: 12334: 12332: 12328: 12324: 12318: 12315: 12313: 12310: 12308: 12305: 12303: 12300: 12298: 12295: 12293: 12290: 12288: 12285: 12283: 12280: 12278: 12275: 12273: 12270: 12269: 12267: 12265: 12261: 12255: 12252: 12250: 12247: 12245: 12242: 12240: 12237: 12236: 12234: 12232: 12228: 12222: 12221:Pyrithyldione 12219: 12217: 12214: 12212: 12209: 12207: 12204: 12203: 12201: 12199: 12195: 12189: 12186: 12184: 12181: 12179: 12176: 12175: 12173: 12171: 12167: 12161: 12158: 12156: 12153: 12151: 12148: 12146: 12143: 12141: 12138: 12136: 12133: 12131: 12128: 12126: 12123: 12121: 12118: 12116: 12113: 12111: 12108: 12106: 12103: 12101: 12098: 12096: 12093: 12091: 12088: 12086: 12083: 12081: 12078: 12076: 12073: 12071: 12068: 12066: 12063: 12061: 12058: 12056: 12053: 12051: 12048: 12046: 12043: 12041: 12038: 12036: 12033: 12031: 12028: 12026: 12023: 12021: 12018: 12016: 12012: 12009: 12008: 12005: 12002: 12000: 11997: 11995: 11992: 11990: 11987: 11985: 11982: 11980: 11977: 11975: 11972: 11970: 11966: 11965: 11961: 11960: 11957: 11954: 11952: 11949: 11947: 11944: 11942: 11939: 11937: 11933: 11932: 11928: 11927: 11924: 11921: 11919: 11916: 11914: 11911: 11909: 11906: 11904: 11901: 11899: 11895: 11894: 11890: 11889: 11887: 11885: 11881: 11875: 11872: 11870: 11867: 11865: 11862: 11860: 11857: 11855: 11852: 11850: 11847: 11845: 11842: 11840: 11837: 11835: 11832: 11830: 11827: 11825: 11822: 11820: 11817: 11815: 11812: 11810: 11807: 11805: 11802: 11800: 11797: 11795: 11792: 11790: 11787: 11785: 11782: 11780: 11777: 11775: 11772: 11770: 11767: 11765: 11762: 11760: 11757: 11755: 11752: 11750: 11746: 11744: 11741: 11739: 11736: 11734: 11731: 11729: 11726: 11724: 11721: 11719: 11716: 11714: 11711: 11710: 11708: 11706: 11702: 11696: 11693: 11691: 11688: 11686: 11683: 11681: 11678: 11676: 11673: 11671: 11668: 11667: 11665: 11663: 11659: 11653: 11650: 11648: 11645: 11643: 11640: 11638: 11635: 11633: 11630: 11628: 11625: 11623: 11620: 11618: 11615: 11613: 11610: 11608: 11605: 11603: 11600: 11598: 11595: 11593: 11590: 11588: 11585: 11583: 11580: 11579: 11577: 11574: 11570: 11564: 11561: 11559: 11556: 11554: 11551: 11550: 11548: 11546: 11542: 11536: 11533: 11530: 11526: 11523: 11521: 11518: 11516: 11513: 11511: 11508: 11506: 11503: 11501: 11498: 11496: 11493: 11491: 11488: 11486: 11483: 11481: 11478: 11476: 11473: 11471: 11468: 11466: 11463: 11462: 11460: 11458: 11454: 11448: 11445: 11443: 11440: 11438: 11435: 11433: 11430: 11428: 11427:Phenprobamate 11425: 11423: 11420: 11418: 11415: 11413: 11410: 11408: 11405: 11403: 11400: 11398: 11395: 11393: 11392:Hexapropymate 11390: 11388: 11385: 11383: 11380: 11378: 11375: 11373: 11370: 11368: 11367:Difebarbamate 11365: 11363: 11360: 11358: 11355: 11353: 11350: 11348: 11345: 11344: 11342: 11340: 11336: 11330: 11327: 11325: 11322: 11320: 11317: 11315: 11312: 11310: 11307: 11305: 11302: 11300: 11297: 11295: 11292: 11290: 11287: 11285: 11282: 11280: 11277: 11275: 11272: 11270: 11267: 11265: 11262: 11260: 11257: 11255: 11252: 11250: 11247: 11245: 11242: 11240: 11237: 11235: 11232: 11230: 11227: 11225: 11222: 11220: 11217: 11215: 11212: 11210: 11207: 11205: 11202: 11200: 11197: 11195: 11192: 11190: 11187: 11185: 11182: 11180: 11179:Nortetrazepam 11177: 11175: 11172: 11170: 11167: 11165: 11162: 11160: 11157: 11155: 11152: 11150: 11147: 11145: 11142: 11140: 11137: 11135: 11132: 11130: 11127: 11125: 11122: 11120: 11117: 11115: 11112: 11110: 11107: 11105: 11102: 11100: 11097: 11095: 11092: 11090: 11087: 11085: 11082: 11080: 11077: 11075: 11072: 11070: 11067: 11065: 11062: 11060: 11057: 11055: 11052: 11050: 11047: 11045: 11042: 11040: 11039:Flutoprazepam 11037: 11035: 11032: 11030: 11027: 11025: 11022: 11020: 11019:Flunitrazolam 11017: 11015: 11014:Flunitrazepam 11012: 11010: 11007: 11005: 11004:Flubromazolam 11002: 11000: 10999:Flubromazepam 10997: 10995: 10992: 10990: 10987: 10985: 10982: 10980: 10977: 10975: 10972: 10970: 10967: 10965: 10962: 10960: 10957: 10955: 10952: 10950: 10947: 10945: 10942: 10940: 10937: 10935: 10932: 10930: 10927: 10925: 10922: 10920: 10917: 10915: 10912: 10910: 10907: 10905: 10902: 10900: 10899:Cloniprazepam 10897: 10895: 10892: 10890: 10887: 10885: 10882: 10880: 10877: 10875: 10872: 10870: 10867: 10865: 10862: 10860: 10857: 10855: 10852: 10850: 10847: 10845: 10842: 10840: 10837: 10835: 10832: 10830: 10827: 10825: 10822: 10820: 10817: 10815: 10812: 10810: 10807: 10805: 10802: 10800: 10797: 10795: 10792: 10790: 10789:2-Oxoquazepam 10787: 10786: 10784: 10782: 10778: 10772: 10769: 10767: 10764: 10762: 10759: 10757: 10754: 10752: 10749: 10747: 10744: 10742: 10739: 10737: 10734: 10732: 10731:Thialbarbital 10729: 10727: 10726:Tetrabarbital 10724: 10722: 10719: 10717: 10714: 10712: 10711:Spirobarbital 10709: 10707: 10704: 10702: 10699: 10697: 10694: 10692: 10691:Proxibarbital 10689: 10687: 10684: 10682: 10681:Propallylonal 10679: 10677: 10674: 10672: 10669: 10667: 10664: 10662: 10661:Phenobarbital 10659: 10657: 10654: 10652: 10651:Pentobarbital 10649: 10647: 10644: 10642: 10641:Narcobarbital 10639: 10637: 10634: 10632: 10629: 10627: 10624: 10622: 10619: 10617: 10614: 10612: 10609: 10607: 10606:Heptobarbital 10604: 10602: 10599: 10597: 10594: 10592: 10589: 10587: 10584: 10582: 10579: 10577: 10576:Difebarbamate 10574: 10572: 10569: 10567: 10566:Cyclobarbital 10564: 10562: 10559: 10557: 10554: 10552: 10549: 10547: 10544: 10542: 10539: 10537: 10534: 10532: 10529: 10527: 10524: 10522: 10519: 10517: 10514: 10512: 10511:Benzobarbital 10509: 10507: 10504: 10502: 10499: 10497: 10494: 10492: 10489: 10487: 10484: 10482: 10479: 10477: 10474: 10473: 10471: 10469: 10465: 10459: 10456: 10454: 10451: 10449: 10446: 10444: 10441: 10439: 10437: 10433: 10431: 10429: 10425: 10423: 10420: 10418: 10415: 10413: 10410: 10408: 10405: 10403: 10400: 10398: 10395: 10393: 10390: 10388: 10385: 10383: 10382:Ethchlorvynol 10380: 10377: 10373: 10370: 10368: 10365: 10363: 10360: 10358: 10355: 10353: 10350: 10349: 10347: 10345: 10341: 10337: 10324: 10319: 10317: 10312: 10310: 10305: 10304: 10301: 10287: 10284: 10282: 10279: 10278: 10277: 10276: 10272: 10270: 10269: 10265: 10260: 10259: 10256: 10250: 10247: 10245: 10242: 10240: 10237: 10235: 10232: 10230: 10227: 10225: 10222: 10221: 10219: 10215: 10205: 10202: 10198: 10195: 10194: 10193: 10190: 10186: 10183: 10182: 10181: 10178: 10174: 10171: 10169: 10166: 10164: 10161: 10159: 10156: 10154: 10151: 10150: 10149: 10146: 10145: 10143: 10141: 10140: 10135: 10129: 10128:Telluroketone 10126: 10124: 10121: 10120: 10118: 10116: 10112: 10106: 10103: 10101: 10098: 10096: 10093: 10091: 10088: 10086: 10083: 10082: 10080: 10078: 10074: 10068: 10065: 10063: 10060: 10059: 10057: 10055: 10051: 10045: 10042: 10040: 10037: 10035: 10032: 10030: 10027: 10025: 10022: 10020: 10017: 10015: 10014:Sulfonic acid 10012: 10010: 10007: 10005: 10004:Sulfinic acid 10002: 10000: 9999:Thiosulfonate 9997: 9995: 9992: 9990: 9989:Thiosulfinate 9987: 9985: 9984:Sulfenic acid 9982: 9980: 9977: 9975: 9972: 9968: 9965: 9964: 9963: 9960: 9958: 9955: 9954: 9952: 9950: 9946: 9940: 9939:Phosphaallene 9937: 9935: 9934:Phosphaalkyne 9932: 9930: 9929:Phosphaalkene 9927: 9923: 9920: 9919: 9918: 9915: 9913: 9910: 9908: 9905: 9903: 9900: 9896: 9893: 9892: 9891: 9888: 9884: 9881: 9880: 9879: 9876: 9875: 9873: 9871: 9867: 9861: 9858: 9856: 9853: 9851: 9848: 9846: 9843: 9841: 9838: 9836: 9833: 9831: 9828: 9826: 9823: 9821: 9818: 9816: 9813: 9811: 9808: 9806: 9803: 9801: 9798: 9796: 9793: 9791: 9788: 9786: 9783: 9781: 9778: 9776: 9773: 9771: 9768: 9766: 9763: 9759: 9756: 9754: 9751: 9750: 9749: 9746: 9745: 9743: 9741: 9737: 9734: 9714: 9702: 9699: 9698: 9697: 9694: 9690: 9687: 9685: 9682: 9681: 9680: 9677: 9676: 9674: 9670: 9664: 9661: 9659: 9656: 9652: 9649: 9648: 9647: 9644: 9640: 9637: 9635: 9632: 9630: 9627: 9626: 9625: 9622: 9621: 9619: 9617: 9613: 9607: 9604: 9602: 9601:Ethylenedioxy 9599: 9595: 9592: 9590: 9587: 9586: 9585: 9582: 9578: 9575: 9573: 9570: 9569: 9568: 9565: 9561: 9558: 9557: 9556: 9553: 9551: 9548: 9546: 9543: 9542: 9540: 9536: 9533: 9527: 9521: 9516: 9511: 9505: 9502: 9500: 9497: 9493: 9490: 9488: 9485: 9484: 9483: 9480: 9476: 9473: 9471: 9468: 9466: 9463: 9461: 9458: 9456: 9453: 9451: 9448: 9447: 9446: 9443: 9439: 9436: 9434: 9431: 9430: 9429: 9426: 9422: 9419: 9417: 9414: 9412: 9409: 9407: 9404: 9402: 9399: 9397: 9394: 9393: 9392: 9389: 9388: 9386: 9380: 9376: 9372: 9365: 9360: 9358: 9353: 9351: 9346: 9345: 9342: 9330: 9327: 9325: 9322: 9320: 9317: 9315: 9312: 9311: 9309: 9305: 9295: 9293: 9289: 9287: 9284: 9282: 9279: 9277: 9274: 9273: 9271: 9267: 9261: 9258: 9256: 9253: 9251: 9248: 9247: 9245: 9243:Vinylbenzenes 9241: 9231: 9228: 9226: 9223: 9221: 9218: 9216: 9213: 9212: 9210: 9206: 9196: 9193: 9191: 9190:-Butylbenzene 9189: 9185: 9183: 9182:-Butylbenzene 9181: 9177: 9175: 9174:-Butylbenzene 9173: 9169: 9168: 9166: 9162: 9156: 9153: 9151: 9148: 9146: 9143: 9142: 9140: 9138: 9134: 9128: 9126: 9122: 9120: 9118: 9114: 9112: 9110: 9106: 9105: 9103: 9101: 9097: 9094: 9092: 9088: 9078: 9075: 9073: 9071: 9067: 9065: 9062: 9061: 9059: 9055: 9049: 9046: 9044: 9041: 9039: 9036: 9035: 9033: 9031: 9027: 9024: 9022: 9018: 9008: 9005: 9004: 9002: 8998: 8992: 8990: 8986: 8984: 8982: 8978: 8976: 8974: 8970: 8969: 8967: 8965: 8961: 8958: 8956: 8952: 8946: 8943: 8942: 8940: 8938: 8937:Alkylbenzenes 8934: 8924: 8921: 8919: 8916: 8914: 8911: 8909: 8906: 8904: 8901: 8899: 8896: 8894: 8891: 8889: 8886: 8884: 8881: 8879: 8876: 8875: 8873: 8869: 8863: 8860: 8858: 8855: 8853: 8850: 8848: 8845: 8843: 8840: 8838: 8835: 8834: 8832: 8830: 8826: 8823: 8821: 8817: 8814: 8812: 8806: 8796: 8793: 8791: 8788: 8786: 8783: 8781: 8778: 8776: 8773: 8771: 8768: 8767: 8765: 8761: 8755: 8752: 8750: 8747: 8745: 8742: 8740: 8737: 8735: 8732: 8730: 8727: 8725: 8722: 8720: 8717: 8716: 8714: 8712: 8708: 8702: 8699: 8697: 8694: 8692: 8689: 8687: 8684: 8682: 8679: 8677: 8674: 8672: 8669: 8667: 8664: 8663: 8661: 8659: 8655: 8649: 8646: 8645: 8643: 8641: 8637: 8631: 8629: 8626: 8624: 8621: 8619: 8616: 8614: 8611: 8609: 8606: 8605: 8603: 8601: 8597: 8591: 8588: 8586: 8583: 8581: 8578: 8576: 8573: 8571: 8568: 8566: 8563: 8561: 8558: 8556: 8553: 8552: 8550: 8548: 8544: 8534: 8531: 8529: 8526: 8524: 8521: 8519: 8516: 8514: 8511: 8509: 8506: 8505: 8503: 8499: 8493: 8490: 8488: 8485: 8483: 8480: 8478: 8475: 8473: 8470: 8468: 8465: 8463: 8460: 8458: 8455: 8453: 8450: 8449: 8447: 8443: 8440: 8436: 8429: 8423: 8419: 8409: 8406: 8404: 8401: 8399: 8396: 8394: 8391: 8389: 8386: 8384: 8381: 8379: 8376: 8375: 8373: 8369: 8363: 8360: 8358: 8355: 8353: 8350: 8348: 8345: 8343: 8340: 8338: 8335: 8333: 8330: 8328: 8325: 8323: 8320: 8319: 8317: 8313: 8310: 8307: 8300: 8294: 8290: 8287: 8281: 8277: 8267: 8264: 8263: 8261: 8257: 8251: 8248: 8246: 8243: 8241: 8238: 8236: 8233: 8231: 8230:Dodecahedrane 8228: 8226: 8223: 8221: 8218: 8216: 8213: 8211: 8208: 8206: 8203: 8201: 8198: 8197: 8195: 8193: 8189: 8182: 8179: 8176: 8173: 8170: 8167: 8166: 8164: 8162: 8158: 8152: 8150: 8147: 8145: 8142: 8140: 8137: 8135: 8132: 8130: 8127: 8126: 8124: 8122: 8118: 8112: 8109: 8107: 8104: 8102: 8099: 8097: 8094: 8092: 8089: 8087: 8084: 8082: 8079: 8077: 8074: 8073: 8071: 8069: 8065: 8055: 8052: 8050: 8047: 8045: 8042: 8040: 8037: 8035: 8032: 8030: 8027: 8025: 8022: 8020: 8017: 8015: 8012: 8011: 8009: 8005: 7999: 7996: 7994: 7991: 7989: 7986: 7984: 7981: 7979: 7976: 7974: 7971: 7969: 7966: 7964: 7961: 7959: 7956: 7954: 7951: 7950: 7948: 7944: 7941: 7937: 7930: 7924: 7920: 7917: 7909: 7905: 7898: 7893: 7891: 7886: 7884: 7879: 7878: 7875: 7863: 7860: 7858: 7855: 7854: 7852: 7848: 7842: 7839: 7837: 7834: 7833: 7831: 7829: 7825: 7817: 7814: 7813: 7812: 7809: 7805: 7802: 7800: 7797: 7796: 7794: 7790: 7787: 7785: 7782: 7781: 7779: 7777: 7774: 7772: 7769: 7768: 7766: 7764: 7760: 7754: 7751: 7749: 7746: 7744: 7741: 7739: 7736: 7734: 7731: 7729: 7726: 7724: 7721: 7719: 7716: 7715: 7713: 7711: 7707: 7703: 7696: 7691: 7689: 7684: 7682: 7677: 7676: 7673: 7663: 7659: 7656:Compounds in 7653: 7647: 7644: 7642: 7639: 7637: 7634: 7632: 7629: 7628: 7626: 7622: 7616: 7615: 7611: 7609: 7606: 7604: 7603: 7599: 7597: 7594: 7592: 7589: 7587: 7584: 7582: 7581: 7577: 7575: 7572: 7571: 7569: 7567:Even–numbered 7565: 7561: 7554: 7549: 7547: 7542: 7540: 7535: 7534: 7531: 7525: 7522: 7520: 7517: 7514: 7513:Video Podcast 7511: 7509: 7506: 7504: 7500: 7497: 7495: 7492: 7490: 7487: 7485: 7482: 7479: 7478: 7473: 7470: 7469: 7464: 7463: 7462: 7456: 7452: 7419: 7415: 7411: 7405: 7389: 7385: 7384: 7379: 7373: 7364: 7359: 7355: 7351: 7347: 7340: 7324: 7320: 7319: 7314: 7308: 7301: 7297: 7292: 7285: 7281: 7278: 7273: 7266: 7262: 7259: 7254: 7247: 7243: 7240: 7235: 7228: 7223: 7215: 7211: 7207: 7203: 7199: 7195: 7191: 7187: 7180: 7172: 7168: 7164: 7160: 7156: 7152: 7144: 7136: 7132: 7128: 7124: 7120: 7116: 7115: 7106: 7098: 7094: 7090: 7086: 7083:(1–3): 7–17. 7082: 7078: 7071: 7063: 7059: 7054: 7049: 7045: 7041: 7037: 7033: 7029: 7022: 7015: 7011: 7007: 7001: 6994: 6988: 6980: 6976: 6972: 6968: 6964: 6960: 6956: 6948: 6930: 6926: 6922: 6918: 6914: 6910: 6906: 6899: 6892: 6877: 6873: 6869: 6863: 6847: 6843: 6839: 6833: 6821: 6817: 6813: 6809: 6802: 6796: 6794: 6777: 6773: 6769: 6763: 6747: 6743: 6739: 6733: 6731: 6714: 6710: 6706: 6700: 6693: 6689: 6686: 6681: 6674: 6670: 6667: 6662: 6654: 6650: 6645: 6640: 6636: 6632: 6629:(7): 437–44. 6628: 6624: 6620: 6613: 6607: 6603: 6600: 6594: 6586: 6582: 6579:(2): 157–68. 6578: 6574: 6567: 6559: 6555: 6550: 6545: 6541: 6537: 6534:(2): 213–21. 6533: 6529: 6525: 6518: 6511: 6507: 6504: 6500: 6494: 6486: 6482: 6477: 6472: 6467: 6462: 6458: 6454: 6450: 6443: 6436: 6431: 6423: 6419: 6414: 6409: 6405: 6401: 6397: 6393: 6389: 6382: 6380: 6371: 6367: 6362: 6357: 6352: 6347: 6343: 6339: 6335: 6331: 6327: 6320: 6313: 6309: 6306: 6301: 6294: 6290: 6286: 6282: 6276: 6268: 6262: 6258: 6254: 6250: 6243: 6235: 6229: 6225: 6221: 6214: 6200:on 2008-12-05 6199: 6195: 6189: 6180: 6166:on 2017-04-29 6165: 6161: 6155: 6140: 6136: 6130: 6115: 6111: 6110: 6105: 6098: 6090: 6086: 6081: 6076: 6072: 6068: 6064: 6057: 6042: 6038: 6034: 6028: 6013: 6009: 6005: 5999: 5984: 5980: 5976: 5970: 5962: 5958: 5954: 5950: 5946: 5942: 5938: 5934: 5927: 5919: 5915: 5910: 5905: 5901: 5897: 5894:(6139): 492. 5893: 5889: 5885: 5878: 5870: 5866: 5861: 5856: 5852: 5848: 5845:(6103): 396. 5844: 5840: 5836: 5829: 5821: 5817: 5813: 5809: 5805: 5801: 5797: 5793: 5786: 5778: 5774: 5770: 5766: 5762: 5758: 5751: 5743: 5739: 5735: 5731: 5727: 5723: 5719: 5715: 5711: 5707: 5703: 5699: 5698: 5693: 5686: 5667: 5663: 5659: 5655: 5651: 5646: 5641: 5637: 5633: 5629: 5625: 5624: 5616: 5609: 5601: 5597: 5593: 5589: 5584: 5579: 5575: 5571: 5567: 5563: 5559: 5555: 5554: 5546: 5539: 5527: 5523: 5522: 5517: 5510: 5502: 5496: 5492: 5488: 5484: 5477: 5475: 5466: 5462: 5458: 5454: 5450: 5446: 5442: 5438: 5431: 5424: 5420: 5416: 5415:archive.today 5412: 5409: 5403: 5396: 5392: 5388: 5387:archive.today 5384: 5381: 5375: 5369: 5365: 5359: 5352: 5348: 5344: 5340: 5336: 5333: 5327: 5313: 5309: 5302: 5287: 5282: 5277: 5273: 5269: 5265: 5261: 5260: 5255: 5248: 5239: 5234: 5230: 5226: 5222: 5218: 5217: 5212: 5208: 5202: 5194: 5190: 5183: 5175: 5171: 5167: 5163: 5159: 5155: 5148: 5133: 5129: 5125: 5121: 5117: 5113: 5106: 5098: 5094: 5090: 5086: 5083:(5): 266–67. 5082: 5078: 5070: 5062: 5060:9780486286907 5056: 5052: 5047: 5046: 5037: 5022: 5018: 5012: 5008: 5007: 4999: 4984: 4980: 4976: 4973:(2): 129–36. 4972: 4968: 4964: 4957: 4942: 4938: 4937: 4929: 4922: 4918: 4915: 4911: 4908: 4904: 4900: 4897: 4893: 4890: 4884: 4877: 4873: 4869: 4868: 4863: 4856: 4846: 4842: 4837: 4832: 4828: 4824: 4820: 4815: 4814: 4808: 4804: 4801:: 1604–1618. 4800: 4796: 4791: 4790: 4777: 4773: 4769: 4768: 4763: 4758: 4757: 4752: 4737: 4733: 4729: 4725: 4721: 4717: 4710: 4703: 4699: 4695: 4694: 4686: 4679: 4663: 4659: 4655: 4651: 4647: 4646:Kekulé, F. A. 4641: 4639: 4623: 4619: 4615: 4611: 4607: 4603: 4596: 4581: 4577: 4573: 4569: 4565: 4564: 4559: 4552: 4546: 4542: 4538: 4534: 4530: 4526: 4522: 4518: 4514: 4507: 4499: 4494: 4490: 4486: 4482: 4478: 4455: 4448: 4432: 4428: 4424: 4420: 4416: 4412: 4411: 4403: 4394: 4379: 4375: 4371: 4367: 4363: 4359: 4352: 4344: 4340: 4336: 4332: 4329:(in German). 4328: 4324: 4317: 4310: 4306: 4302: 4299: 4295: 4289: 4282: 4268: 4264: 4260: 4256: 4252: 4251: 4246: 4239: 4231: 4227: 4223: 4219: 4212: 4188: 4184: 4180: 4175: 4170: 4166: 4162: 4161: 4156: 4152: 4146: 4138: 4134: 4131:(4): 355–81. 4130: 4126: 4125: 4117: 4115: 4106: 4100: 4096: 4090: 4086: 4082: 4076: 4068: 4064: 4057: 4041: 4037: 4031: 4023: 4019: 4015: 4009: 4003: 3998: 3990: 3986: 3979: 3977: 3975: 3967: 3963: 3960: 3956: 3955:Sigma-Aldrich 3951: 3949: 3947: 3935:September 18, 3930: 3926: 3920: 3909:September 18, 3904: 3900: 3894: 3887: 3885: 3880: 3875: 3873: 3871: 3855: 3851: 3850: 3842: 3840: 3824: 3820: 3814: 3812: 3810: 3808: 3806: 3790: 3786: 3780: 3776: 3775: 3767: 3759: 3755: 3750: 3745: 3740: 3735: 3731: 3727: 3723: 3719: 3718: 3713: 3706: 3698: 3694: 3690: 3686: 3685: 3677: 3669: 3667:0-8493-0486-5 3663: 3659: 3652: 3644: 3638: 3634: 3630: 3626: 3622: 3615: 3613: 3608: 3593: 3589: 3585: 3581: 3577: 3573: 3570: 3563: 3559: 3549: 3545: 3541: 3537: 3533: 3529: 3525: 3521: 3517: 3516:stannabenzene 3513: 3509: 3505: 3501: 3499: 3498: 3494: 3492: 3489: 3487: 3484: 3483: 3479: 3468: 3465: 3459: 3454: 3447: 3445: 3441: 3437: 3427: 3424: 3422: 3418: 3417:Songhua River 3414: 3404: 3402: 3398: 3394: 3390: 3389:ascorbic acid 3386: 3380: 3370: 3366: 3352: 3350: 3349:benzene oxide 3340: 3338: 3333: 3323: 3319: 3317: 3313: 3309: 3305: 3301: 3297: 3293: 3289: 3285: 3281: 3277: 3273: 3269: 3264: 3262: 3258: 3254: 3250: 3246: 3242: 3238: 3234: 3230: 3226: 3216: 3214: 3210: 3206: 3202: 3198: 3194: 3178: 3175: 3173: 3169: 3165: 3161: 3156: 3154: 3149: 3147: 3143: 3139: 3135: 3131: 3121: 3119: 3115: 3111: 3107: 3103: 3101: 3097: 3093: 3088: 3086: 3082: 3078: 3074: 3070: 3066: 3061: 3057: 3053: 3049: 3045: 3041: 3037: 3033: 3023: 3021: 3017: 3013: 3009: 3003: 3001: 2997: 2993: 2989: 2985: 2980: 2978: 2974: 2970: 2966: 2957: 2948: 2946: 2940: 2925: 2921: 2911: 2909: 2905: 2901: 2897: 2893: 2889: 2888:hydrogenation 2882:Hydrogenation 2879: 2877: 2876:chlorobenzene 2873: 2869: 2861: 2857: 2853: 2849: 2845: 2831: 2827: 2825: 2821: 2817: 2814: 2810: 2809:acyl chloride 2806: 2802: 2798: 2794: 2790: 2780: 2776: 2775: 2774: 2773: 2772: 2770: 2759: 2755: 2754: 2753: 2751: 2747: 2743: 2739: 2729: 2727: 2722: 2720: 2716: 2712: 2711:United States 2708: 2704: 2700: 2699:octane rating 2696: 2658: 2655: 2651: 2649: 2645: 2641: 2637: 2633: 2629: 2625: 2620: 2616: 2612: 2608: 2604: 2600: 2596: 2592: 2588: 2587:alkylbenzenes 2584: 2574: 2572: 2571:mellitic acid 2568: 2564: 2560: 2556: 2552: 2549:derived from 2548: 2544: 2540: 2536: 2532: 2525:Other methods 2522: 2520: 2516: 2515: 2510: 2506: 2502: 2498: 2489: 2487: 2483: 2482:Selective TDP 2479: 2477: 2472: 2467: 2465: 2461: 2457: 2447: 2444: 2442: 2437: 2359: 2358: 2357: 2355: 2330: 2322: 2314: 2301: 2285: 2277: 2269: 2256: 2243: 2230: 2229: 2228: 2226: 2221: 2218: 2214: 2210: 2206: 2202: 2192: 2190: 2186: 2181: 2179: 2175: 2171: 2167: 2163: 2159: 2155: 2151: 2147: 2144: 2140: 2136: 2126: 2124: 2120: 2116: 2112: 2102: 2100: 2096: 2092: 2088: 2076: 2072: 2068: 2063: 2061: 2057: 2053: 2049: 2045: 2025: 2017: 2013: 2009: 2005: 1999: 1998:Alkylbenzenes 1995: 1985: 1983: 1979: 1974: 1972: 1968: 1964: 1959: 1955: 1951: 1947: 1943: 1939: 1935: 1927: 1922: 1912: 1910: 1906: 1902: 1898: 1894: 1890: 1880: 1878: 1874: 1870: 1869:liquid wrench 1866: 1862: 1859: 1855: 1845: 1843: 1839: 1834: 1824: 1822: 1818: 1814: 1811: 1806: 1804: 1800: 1796: 1791: 1779: 1774: 1773: 1772: 1770: 1766: 1762: 1757: 1752: 1749: 1745: 1741: 1737: 1733: 1729: 1719: 1715: 1712: 1708: 1705: 1701: 1696: 1692: 1689: 1685: 1682: 1678: 1677: 1673: 1672:August Kekulé 1664: 1659: 1655: 1651: 1648: 1644: 1641: 1637: 1632: 1628: 1625: 1621: 1618: 1614: 1613: 1608: 1600: 1598: 1594: 1590: 1586: 1582: 1577: 1575: 1571: 1567: 1563: 1559: 1555: 1551: 1547: 1544: 1540: 1536: 1532: 1528: 1524: 1520: 1519:benzoin resin 1516: 1512: 1497: 1495: 1491: 1487: 1483: 1479: 1474: 1472: 1468: 1464: 1460: 1456: 1452: 1448: 1444: 1440: 1436: 1432: 1427: 1425: 1421: 1417: 1413: 1409: 1405: 1393: 1389: 1386: 1382: 1370: 1363: 1358: 1341: 1335: 1332: 1328: 1323: 1320: 1316: 1313: 1308: 1307: 1302: 1299: 1296: 1293: 1290: 1289: 1285: 1281: 1277: 1276: 1272: 1269:(Recommended) 1268: 1264: 1263: 1259: 1256:(Permissible) 1255: 1251: 1250: 1246: 1245: 1240: 1230: 1226: 1217: 1216: 1212: 1208: 1199: 1198: 1194: 1190: 1186: 1184: 1181: 1180: 1176: 1173: 1167: 1166: 1162: 1160: 1157: 1156: 1149: 1142: 1135: 1111: 1108: 1107: 1103: 1102: 1076: 1073: 1069: 1068: 1026: 1023: 1019: 1018: 1015: 1012: 1009: 1005: 1004: 1000: 995: 990: 985: 980: 976: 973: 969: 968: 964: 962: 957: 953: 948: 947: 943: 942: 937: 932: 928: 920: 912: 906: 905: 901: 893: 885: 879: 878: 874: 866: 861: 855: 854: 850: 845: 840: 839:Heat capacity 836: 835: 830: 827: 823: 820: 819:Dipole moment 816: 815: 812: 809: 806: 802: 801: 796: 786: 782: 780: 777: 776: 770: 763: 759: 755: 754: 750: 746: 742: 741: 737: 730: 727: 726: 723: 720: 718: 715: 714: 711: 708: 706: 703: 702: 694: 692: 689: 688: 684: 682: 681: 676: 675: 671: 669: 665: 662: 661: 653: 651: 647: 644: 643: 637: 635: 631: 628: 627: 619: 617: 613: 610: 609: 606: 602: 598: 597:diethyl ether 594: 587: 580: 576: 574: 571: 570: 552: 549: 545: 544: 540: 538: 537:Boiling point 535: 534: 530: 528: 527:Melting point 525: 524: 520: 518: 515: 514: 510: 508: 505: 504: 500: 497: 496: 489: 487: 484: 483: 468: 465: 461: 460: 455: 446: 445: 442: 435: 421: 420: 417: 410: 402: 398: 397:DTXSID3039242 394: 393: 391: 381: 377: 376: 369: 365: 364: 362: 360: 357: 356: 349: 348: 346: 344: 341: 340: 333: 329: 328: 326: 320: 316: 315: 308: 304: 303: 301: 299: 296: 295: 288: 287: 285: 283: 278: 277: 273: 269: 266: 264: 262:ECHA InfoCard 259: 258: 251: 247: 246: 244: 242: 239: 238: 231: 227: 226: 224: 222: 219: 218: 211: 207: 206: 204: 202: 199: 198: 191: 187: 186: 184: 180: 175: 174: 167: 163: 162: 160: 157: 153: 152: 147: 143: 134: 127: 119: 115: 110: 102: 97: 83: 79: 70: 66: 65: 61: 53: 48: 40: 33: 19: 14494:Immunotoxins 14379: 14362:Spectroscopy 14216:Astrobiology 14069:Formaldehyde 13961:Benzonitrile 13955: 13752:Acetaldehyde 13707:Methanethiol 13658:Acetonitrile 13563:Carbodiimide 13442:Formaldehyde 13437:Cyanoethynyl 13288:Iron cyanide 13283:Hydroperoxyl 13084:Nitric oxide 12910: 12909: 12880: 12737:Lavender oil 12479:Nitric oxide 12399:Cryofluorane 12358: 12344:Acetophenone 12302:Methaqualone 12297:Mecloqualone 12292:Mebroqualone 12282:Diproqualone 12277:Cloroqualone 12206:Glutethimide 12010: 11962: 11929: 11891: 11864:Testosterone 11829:Progesterone 11794:Hydroxydione 11743:Androsterone 11670:Acecarbromal 11575:constituents 11362:Cyclarbamate 11352:Carisoprodol 11124:Metaclazepam 11119:Menitrazepam 11109:Meclonazepam 11104:Lormetazepam 11034:Flutemazepam 10859:Ciclotizolam 10849:Carburazepam 10741:Thiobarbital 10701:Secobarbital 10666:Phetharbital 10646:Nealbarbital 10631:Methohexital 10616:Hexobarbital 10551:Butallylonal 10546:Butobarbital 10501:Barbexaclone 10496:Aprobarbital 10481:Allobarbital 10468:Barbiturates 10435: 10427: 10417:Petrichloral 10273: 10266: 10180:Vinyl halide 10137: 10067:Borinic acid 10062:Boronic acid 10039:Thioxanthate 9379:Hydrocarbons 9291: 9275: 9187: 9179: 9171: 9124: 9116: 9108: 9069: 9043:Pseudocumene 9007:Ethylbenzene 8988: 8980: 8972: 8903:Phenanthrene 8811:hydrocarbons 8686:Cycloheptyne 8676:Cyclopentyne 8666:Cyclopropyne 8658:Cycloalkynes 8575:Cycloheptene 8565:Cyclopentene 8555:Cyclopropene 8547:Cycloalkenes 8434: 8427: 8305: 8298: 8285:hydrocarbons 8266:Spiroalkanes 8096:Cycloheptane 8086:Cyclopentane 8076:Cyclopropane 8068:Cycloalkanes 7935: 7928: 7915:hydrocarbons 7904:Hydrocarbons 7835: 7738:Cycloheptene 7728:Cyclopentene 7718:Cyclopropene 7702:Cycloalkenes 7657: 7631:Cyclopropene 7624:Odd–numbered 7612: 7600: 7579: 7578: 7475: 7459: 7458: 7457:profile for 7454: 7422:. Retrieved 7413: 7404: 7392:. Retrieved 7381: 7372: 7353: 7349: 7339: 7327:. Retrieved 7318:The Guardian 7316: 7307: 7299: 7291: 7272: 7253: 7234: 7222: 7189: 7185: 7179: 7154: 7150: 7143: 7118: 7114:Toxicol Lett 7112: 7105: 7080: 7076: 7070: 7035: 7031: 7021: 7005: 7000: 6992: 6987: 6954: 6947: 6936:. Retrieved 6908: 6904: 6891: 6880:. Retrieved 6871: 6862: 6852:November 23, 6850:. Retrieved 6846:the original 6832: 6820:the original 6780:. Retrieved 6776:the original 6762: 6752:November 23, 6750:. Retrieved 6746:the original 6717:. Retrieved 6713:the original 6699: 6680: 6661: 6626: 6622: 6612: 6593: 6576: 6572: 6566: 6531: 6527: 6517: 6493: 6456: 6452: 6442: 6430: 6395: 6391: 6333: 6329: 6319: 6300: 6284: 6280: 6275: 6248: 6242: 6219: 6213: 6202:. Retrieved 6198:the original 6188: 6179: 6168:. Retrieved 6164:the original 6154: 6143:. Retrieved 6129: 6118:, retrieved 6107: 6097: 6070: 6066: 6056: 6045:. Retrieved 6027: 6016:. Retrieved 6007: 5998: 5987:. Retrieved 5978: 5969: 5936: 5932: 5926: 5891: 5887: 5877: 5842: 5838: 5828: 5795: 5791: 5785: 5760: 5756: 5750: 5701: 5695: 5685: 5673:. Retrieved 5627: 5621: 5608: 5557: 5551: 5545: 5537: 5530:. Retrieved 5519: 5509: 5482: 5440: 5436: 5430: 5422: 5418: 5402: 5394: 5390: 5374: 5363: 5358: 5350: 5346: 5342: 5326: 5315:. Retrieved 5311: 5301: 5290:. Retrieved 5263: 5257: 5247: 5220: 5214: 5207:Lonsdale, K. 5201: 5192: 5188: 5182: 5160:(1): 21–23. 5157: 5153: 5147: 5136:. Retrieved 5119: 5115: 5105: 5080: 5076: 5069: 5044: 5036: 5025:. Retrieved 5005: 4998: 4987:. Retrieved 4970: 4966: 4956: 4945:. Retrieved 4935: 4928: 4920: 4916: 4891: 4888: 4883: 4865: 4855: 4826: 4822: 4798: 4794: 4780:. Retrieved 4771: 4765: 4751: 4740:. Retrieved 4726:: 258–268 . 4723: 4719: 4709: 4691: 4678: 4666:. Retrieved 4657: 4653: 4626:. Retrieved 4609: 4605: 4595: 4584:. Retrieved 4567: 4561: 4551: 4524: 4520: 4512: 4506: 4480: 4476: 4454: 4434: 4414: 4408: 4402: 4393: 4382:. Retrieved 4365: 4361: 4351: 4330: 4326: 4316: 4308: 4293: 4288: 4280: 4271:. Retrieved 4257:(1): 39–48. 4254: 4248: 4238: 4221: 4217: 4211: 4191:. Retrieved 4164: 4158: 4145: 4128: 4122: 4094: 4085:frankincense 4080: 4075: 4066: 4056: 4044:. Retrieved 4039: 4030: 4017: 4008: 3997: 3933:. Retrieved 3919: 3907:. Retrieved 3893: 3882: 3858:. Retrieved 3848: 3827:. Retrieved 3793:. Retrieved 3773: 3766: 3724:(1): 167–9. 3721: 3715: 3705: 3688: 3682: 3676: 3657: 3651: 3620: 3591: 3587: 3583: 3579: 3562: 3540:thiopyrylium 3532:bismabenzene 3512:germabenzene 3495: 3433: 3425: 3410: 3385:benzoic acid 3382: 3367: 3363: 3346: 3329: 3320: 3308:benzoquinone 3296:microtubules 3284:hydroquinone 3265: 3257:succinyl CoA 3222: 3209:hydroquinone 3193:muconic acid 3189: 3176: 3157: 3150: 3127: 3104: 3089: 3085:breath tests 3029: 3004: 2981: 2962: 2917: 2885: 2868:Nitrobenzene 2841: 2793:alkyl halide 2786: 2771:of benzene. 2766: 2750:carbocations 2742:nucleophilic 2735: 2723: 2701:and reduces 2692: 2652: 2599:nitrobenzene 2583:ethylbenzene 2580: 2539:Benzoic acid 2535:halobenzenes 2528: 2512: 2495: 2485: 2481: 2475: 2470: 2468: 2459: 2453: 2445: 2438: 2434: 2351: 2198: 2182: 2168:, including 2143:bifunctional 2135:hydrocarbons 2132: 2108: 2087:structurally 2086: 2067:heterocycles 2064: 2052:phenanthrene 2001: 1975: 1942:bond lengths 1932: 1889:World War II 1886: 1858:decaffeinate 1851: 1842:Viktor Meyer 1830: 1827:Nomenclature 1807: 1802: 1798: 1787: 1753: 1746:in 1858 and 1725: 1674:(1865/1872) 1603:Ring formula 1578: 1570:hydroxylated 1568:", which is 1557: 1546:benzoic acid 1534: 1514: 1510: 1508: 1482:human health 1475: 1459:ethylbenzene 1428: 1380: 1379: 1243: 1192: 1170:Autoignition 1105: 1013: 960: 950:Main hazards 939: 918: 902:48.7 kJ/mol 891: 864: 843: 761: 679: 343:RTECS number 230:ChEMBL277500 149:Identifiers 141: 132: 129:Other names 14464:Carcinogens 14336:Outer space 14246:Cosmic dust 14211:Abiogenesis 14123:Unconfirmed 14079:Heavy water 13919:Ethanethiol 13834:Cyanoallene 13824:Acetic acid 13794:Methylamine 13678:Diacetylene 13593:Formic acid 13583:Cyanomethyl 13241:Diazenylium 13231:CCP radical 13107:(molecular) 13091:(molecular) 13060:(molecular) 12819:Stiripentol 12814:Seproxetine 12784:Niacinamide 12764:Loreclezole 12585:Avermectins 12549:Vinyl ether 12519:Sevoflurane 12499:Paraldehyde 12449:Halopropane 12272:Afloqualone 12254:Tracazolate 12249:ICI-190,622 12239:Cartazolate 12216:Piperidione 12211:Methyprylon 12178:Fospropofol 12100:Pipequaline 11908:Pazinaclone 11898:Eszopiclone 11754:Cholesterol 11738:Androstenol 11662:Monoureides 11642:Methysticin 11442:Tetrabamate 11422:Pentabamate 11412:Meprobamate 11382:Febarbamate 11347:Carisbamate 11299:Triflubazam 11289:Tolufazepam 11249:Rilmazafone 11244:Remimazolam 11219:Proflazepam 11204:Pivoxazepam 11164:Nitrazepate 11154:Nimetazepam 11089:Lopirazepam 11059:Haloxazolam 11009:Fludiazepam 10954:Doxefazepam 10929:Delorazepam 10909:Clotiazepam 10904:Clorazepate 10869:Cinolazepam 10766:Vinbarbital 10721:Tetrabamate 10676:Probarbital 10656:Phenallymal 10621:Metharbital 10596:Febarbamate 10491:Amobarbital 10392:Isopropanol 10362:Chloralodol 10244:Thiocyanate 10239:Sulfonamide 10204:Perchlorate 10192:Acyl halide 10153:Fluoroethyl 10034:Thionoester 9922:Phosphonium 9907:Phosphinate 9902:Phosphonous 9890:Phosphonate 9589:Hydroperoxy 9411:Cyclopropyl 9091:C4-Benzenes 9048:Hemellitene 9021:C3-Benzenes 8955:C2-Benzenes 8918:Corannulene 8837:Naphthalene 8701:Cyclodecyne 8696:Cyclononyne 8691:Cyclooctyne 8681:Cyclohexyne 8671:Cyclobutyne 8590:Cyclodecene 8585:Cyclononene 8580:Cyclooctene 8570:Cyclohexene 8560:Cyclobutene 8280:Unsaturated 8111:Cyclodecane 8106:Cyclononane 8101:Cyclooctane 8091:Cyclohexane 8081:Cyclobutane 7753:Cyclodecene 7748:Cyclononene 7743:Cyclooctene 7733:Cyclohexene 7723:Cyclobutene 7157:(1): 9–20. 7121:(1): 22–8. 5583:1874/366378 5122:: 1302–11. 4774:: 101–105. 4612:: 140–142. 4167:: 440–466. 4151:Faraday, M. 3569:pages 86–89 3528:arsabenzene 3524:phosphorine 3508:silabenzene 3504:borabenzene 3436:Nazi German 3332:Glutathione 3312:polyphenols 3304:methylation 3233:dioxygenase 3016:teratogenic 3012:chromosomal 2892:cyclohexane 2844:Sulfonation 2715:groundwater 2619:Cyclohexane 2611:polystyrene 2595:cyclohexane 2585:(and other 2044:naphthalene 1971:aromaticity 1958:cyclohexane 1921:Aromaticity 1647:James Dewar 1550:gum benzoin 1537:. In 1833, 1527:sublimation 1515:gum benzoin 1424:hydrocarbon 1207:median dose 1193:Lethal dose 1172:temperature 1159:Flash point 1008:Signal word 944:(OHS/OSH): 605:acetic acid 577:Soluble in 498:Appearance 457:Properties 268:100.000.685 210:CHEBI:16716 14534:Teratogens 14438:Categories 14251:Cosmic ray 14193:Silylidyne 14156:Hemolithin 14131:Anthracene 14048:Deuterated 14029:Pyrimidine 13839:Ethanimine 13702:Ketenimine 13558:Butadiynyl 13382:Thioformyl 13236:Chloronium 12852:Topiramate 12842:Terpenoids 12799:Propanidid 12789:Org 25,435 12717:Flupirtine 12712:Fluoxetine 12618:Chloralose 12589:ivermectin 12494:Norflurane 12459:Isoflurane 12404:Desflurane 12394:Chloroform 12354:Aliflurane 12287:Etaqualone 12115:SB-205,384 12045:CP-615,003 12040:CL-218,872 11994:Panadiplon 11984:Lorediplon 11913:Suproclone 11874:Zuranolone 11834:Renanolone 11819:Posovolone 11799:Minaxolone 11789:Ganaxolone 11728:Alfaxalone 11723:Alfadolone 11713:Acebrochol 11680:Bromisoval 11558:Metomidate 11545:Imidazoles 11505:Hispidulin 11457:Flavonoids 11417:Nisobamate 11407:Mebutamate 11377:Ethinamate 11372:Emylcamate 11339:Carbamates 11309:Tuclazepam 11284:Tetrazepam 11239:Reclazepam 11214:Premazepam 11194:Phenazepam 11174:Nordazepam 11169:Nitrazolam 11159:Nitrazepam 11139:Motrazepam 11094:Loprazolam 11084:Lofendazam 11069:Imidazenil 11029:Flutazolam 11024:Flurazepam 10994:Fletazepam 10949:Dimdazenil 10944:Diclazepam 10924:Cyprazepam 10914:Cloxazolam 10894:Clonazolam 10889:Clonazepam 10879:Climazolam 10839:Brotizolam 10834:Bromazolam 10829:Bromazepam 10824:Bretazenil 10819:Bentazepam 10809:Arfendazam 10804:Alprazolam 10799:Adinazolam 10771:Vinylbital 10751:Thiopental 10626:Methitural 10541:Buthalital 10536:Butalbital 10387:Isobutanol 10148:Haloalkane 10019:Thioketone 9974:Persulfide 9870:Phosphorus 9835:Isocyanate 9825:Isonitrile 9726:or oxygen 9724:hydrogen, 9720:not being 9701:Orthoester 9594:Dioxiranes 9572:Enol ether 9460:1-Propenyl 9150:Prehnitene 9038:Mesitylene 8893:Circulenes 8842:Anthracene 8770:Alkatriene 8739:Heptadiene 8729:Pentadiene 8719:Propadiene 8648:Norbornene 8518:Isoheptyne 8508:Isopentyne 8393:Isoheptene 8383:Isopentene 8205:Diamondoid 8200:Adamantane 8175:Norbornane 8039:Isoheptane 8029:Neopentane 8019:Isopentane 7014:0962652377 6938:2010-08-25 6882:2011-11-23 6782:October 9, 6398:: 133–48. 6293:0071402357 6266:3527306730 6204:2008-06-27 6170:2015-02-10 6145:2015-02-10 6120:August 13, 6073:: 106541. 6047:2016-07-08 6018:2009-01-16 5989:2009-01-16 5675:January 4, 5317:2022-03-01 5292:2007-03-12 5195:(1): 1–40. 5138:2007-03-12 5027:2020-05-15 4989:2021-12-25 4947:2015-06-27 4923:: 129–143. 4782:2018-02-17 4742:2015-06-27 4668:2015-06-27 4660:: 98–110. 4628:2015-06-27 4586:2015-06-27 4384:2015-06-27 4273:2015-06-27 4193:2012-01-15 4081:luban jawi 3860:2015-06-27 3829:2014-05-29 3795:2012-05-31 3603:References 3360:Inhalation 3253:acetyl CoA 3229:eukaryotes 3181:Toxicology 3132:has set a 3052:pesticides 3048:lubricants 2965:carcinogen 2856:detergents 2813:Lewis acid 2769:ethylation 2648:pesticides 2644:explosives 2636:detergents 2628:lubricants 2503:and other 2213:molybdenum 2162:extraction 2105:Production 2095:pyrimidine 2091:pyridazine 2048:anthracene 1963:π orbitals 1938:picometres 1883:Occurrence 1871:, several 1838:Carl Gräbe 1543:distilling 1509:The word " 1478:carcinogen 972:Pictograms 911:combustion 798:Structure 664:Solubility 646:Solubility 630:Solubility 616:ethanediol 612:Solubility 573:Solubility 486:Molar mass 368:J64922108F 241:ChemSpider 177:3D model ( 156:CAS Number 142:(historic) 14449:Annulenes 14183:Phosphine 14051:molecules 13984:fullerene 13884:Acetamide 13688:Formamide 13568:Cyanamide 13422:Acetylene 13397:Tricarbon 13308:Methylene 13293:Isoformyl 13198:Triatomic 12971:Molecules 12911:See also: 12873:valerenol 12794:Phenytoin 12774:Monastrol 12732:Lanthanum 12727:KRM-II-81 12690:Fenamates 12685:Etifoxine 12680:Etazepine 12675:Efavirenz 12633:Darigabat 12529:Teflurane 12514:Roflurane 12509:Propylene 12454:Halothane 12439:Fluroxene 12424:Enflurane 12327:Volatiles 12244:Etazolate 12155:Viqualine 12110:RWJ-51204 12075:L-838,417 12065:Imepitoin 12035:CGS-20625 12030:CGS-13767 12015:Adipiplon 11989:Ocinaplon 11951:Saripidem 11946:Necopidem 11923:Zopiclone 11918:Suriclone 11903:Pagoclone 11809:ORG-21465 11804:ORG-20599 11695:Ectylurea 11685:Carbromal 11563:Propoxate 11553:Etomidate 11480:Baicalein 11437:Styramate 11432:Procymate 11402:Lorbamate 11387:Felbamate 11357:Clocental 11329:Zomebazam 11324:Zolazepam 11319:Zapizolam 11314:Uldazepam 11294:Triazolam 11279:Temazepam 11274:Sulazepam 11264:Ro48-8684 11259:Ro48-6791 11254:Ripazepam 11224:Pyrazolam 11199:Pinazepam 11149:Nifoxipam 11134:Midazolam 11129:Mexazolam 11114:Medazepam 11099:Lorazepam 11079:Ketazolam 11074:Irazepine 11064:Iclazepam 11054:Halazepam 11049:Gidazepam 11044:Fosazepam 10964:Estazolam 10959:Elfazepam 10934:Demoxepam 10864:Cinazepam 10844:Camazepam 10814:Avizafone 10736:Thiamylal 10671:Primidone 10601:Heptabarb 10591:Eterobarb 10556:Carbubarb 10453:Triclofos 10352:Brometone 10281:inorganic 10115:Tellurium 10029:Thioester 9994:Sulfoxide 9979:Disulfide 9967:Sulfonium 9917:Phosphine 9895:Phosphite 9878:Phosphate 9810:Carbamate 9785:Hydrazone 9718:element, 9716:Only one 9689:Anhydride 9428:Methylene 9319:Annulynes 9314:Annulenes 9155:Isodurene 8888:Helicenes 8862:Heptacene 8852:Pentacene 8847:Tetracene 8775:Alkadiyne 8754:Decadiene 8749:Nonadiene 8744:Octadiene 8734:Hexadiene 8724:Butadiene 8533:Isodecyne 8528:Isononyne 8523:Isooctyne 8513:Isohexyne 8408:Isodecene 8403:Isononene 8398:Isooctene 8388:Isohexene 8378:Isobutene 8283:aliphatic 8240:Churchane 8235:Basketane 8054:Isodecane 8049:Isononane 8044:Isooctane 8034:Isohexane 8014:Isobutane 7913:aliphatic 7911:Saturated 7850:Tetraenes 7560:Annulenes 7329:7 January 7151:Mutat Res 6719:April 17, 6089:1566-7367 5726:2053-9169 4570:: 82–86. 4014:"Benzene" 3440:injection 3158:The U.S. 3151:The U.S. 3096:leukaemia 3020:mutagenic 2860:nitration 2805:acylation 2732:Reactions 2563:acetylene 2473:-xylene ( 2294:⟶ 2203:converts 2174:sulfolane 2158:aliphatic 2152:chloride 1915:Structure 1852:In 1903, 1795:ouroboros 1579:In 1845, 1505:Discovery 1455:precursor 1447:flammable 1431:petroleum 1414:with one 1390:with the 1187:1.2–7.8% 1094:P308+P313 1086:P301+P310 963:labelling 884:formation 858:Std molar 779:Viscosity 722:Benzenide 710:Benzenium 350:CY1400000 289:200-753-7 281:EC Number 14499:Mutagens 14170:Linear C 14151:Graphene 14063:Ammonium 13864:Acrolein 13727:Propynal 13712:Methanol 13683:Ethylene 13552:Ammonium 13327:Nitroxyl 13151:Sulfanyl 13095:Imidogen 13089:Nitrogen 13058:Hydrogen 13003:Argonium 12980:Diatomic 12899:TCS-1205 12894:TCS-1105 12884:α-Pinene 12857:Valerian 12832:tetronal 12809:Safranal 12758:obovatol 12754:magnolol 12750:honokiol 12580:Alogabat 12575:AA-29504 12524:Synthane 12484:Nitrogen 12464:Kerosine 12444:Gasoline 12434:Ethylene 12374:Centalun 12369:Butylene 12183:Propofol 12145:U-89843A 12125:TGSC01AA 12095:NS-11394 12060:GBLD-345 12025:CGS-9896 12020:CGS-8216 12004:Zaleplon 11999:Taniplon 11979:Indiplon 11974:Fasiplon 11969:Divaplon 11956:Zolpidem 11859:SAGE-872 11854:SAGE-689 11849:SAGE-516 11844:SAGE-324 11839:SAGE-105 11747:Certain 11690:Capuride 11652:Yangonin 11529:baicalin 11525:Skullcap 11515:Luteolin 11490:Catechin 11485:Baicalin 11475:Apigenin 11447:Tybamate 11234:Quazepam 11229:QH-II-66 11209:Prazepam 11189:Oxazolam 11184:Oxazepam 10984:Etizolam 10939:Diazepam 10919:CP-1414S 10884:Clobazam 10874:Clazolam 10761:Valofane 10716:Talbutal 10706:Sigmodal 10611:Hexethal 10506:Barbital 10486:Alphenal 10476:(-)-DMBB 10422:Propanol 10412:Pentanol 10402:Methanol 10344:Alcohols 10262:See also 10197:Chloride 10123:Tellurol 10077:Selenium 10044:Xanthate 9758:Ammonium 9740:Nitrogen 9722:carbon, 9679:Carboxyl 9646:Aldehyde 9634:Acryloyl 9616:carbonyl 9520:hydrogen 9475:Cumulene 8923:Kekulene 8908:Chrysene 8898:Butalene 8883:Fluorene 8857:Hexacene 8809:Aromatic 8780:Cumulene 8250:Twistane 8245:Pagodane 8225:Prismane 7662:aromatic 7455:chemical 7418:Archived 7388:Archived 7323:Archived 7300:CBS News 7280:Archived 7261:Archived 7242:Archived 7214:36885673 7206:18836923 7135:19427373 7097:18848868 6979:15935823 6929:Archived 6876:Archived 6688:Archived 6669:Archived 6602:Archived 6585:16161967 6558:17718179 6506:Archived 6485:20070208 6422:20070208 6370:24932584 6336:(6): 6. 6330:PLOS ONE 6308:Archived 6139:Archived 6114:archived 6041:Archived 6012:Archived 5983:Archived 5918:45218186 5820:24349360 5777:16848464 5742:94432897 5666:Archived 5662:46983230 5654:29880683 5600:46952468 5592:29880670 5526:Archived 5465:32311057 5457:17558801 5411:Archived 5383:Archived 5368:p. 1142. 5335:Archived 5286:Archived 5209:(1929). 5132:Archived 5021:Archived 4983:Archived 4941:Archived 4910:Archived 4899:Archived 4845:16218557 4776:Archived 4736:Archived 4662:Archived 4648:(1865). 4622:Archived 4580:Archived 4431:97105342 4378:Archived 4343:Archived 4301:Archived 4267:Archived 4187:Archived 4153:(1825). 4024:(NIOSH). 3991:(NIOSH). 3962:Archived 3854:Archived 3823:Archived 3819:"Benzol" 3789:Archived 3572:Archived 3536:pyrylium 3520:pyridine 3450:See also 3430:Genocide 3288:catechol 3249:catechol 3225:bacteria 3205:catechol 2977:leukemia 2896:hydrogen 2818:such as 2816:catalyst 2703:knocking 2695:gasoline 2501:ethylene 2454:Toluene 2354:biphenyl 2217:platinum 2209:chromium 2199:Toluene 2166:solvents 2154:catalyst 2139:hydrogen 2099:pyrazine 2075:pyridine 2071:nitrogen 2060:graphite 2024:biphenyl 1901:polymers 1736:hydrogen 1593:aromatic 1589:coal tar 1494:leukemia 1451:gasoline 1439:pi bonds 1416:hydrogen 1404:molecule 1319:Borazine 1286:500 ppm 1106:NFPA 704 934:Hazards 747:(χ) 448:c1ccccc1 76:Geometry 45:Benzene 18:Benzenes 14444:Benzene 14316:Kerogen 14203:Related 14146:Glycine 14099:Propyne 14058:Ammonia 13956:Benzene 13951:Acetone 13943:or more 13914:Propene 13899:Ethanol 13789:Propyne 13608:Methane 13477:Ketenyl 13427:Ammonia 12846:borneol 12844:(e.g., 12836:trional 12826:(e.g., 12744:(e.g., 12742:Lignans 12692:(e.g., 12650:(e.g., 12595:Bromide 12587:(e.g., 12570:α-EMTBL 12534:Toluene 12504:Propane 12379:Chloral 12359:Benzene 12339:Acetone 12170:Phenols 12160:Y-23684 12150:U-90042 12135:TPA-023 12120:SX-3228 12105:ROD-188 12090:NS-2710 12085:NS-2664 12070:JM-1232 12055:ELB-139 12050:CTP-354 11936:Alpidem 11535:Wogonin 11510:Linarin 10989:FG-8205 10696:Reposal 10397:Menthol 10357:Butanol 10286:organic 10085:Selenol 10009:Sulfone 9962:Sulfide 9860:NONOate 9855:Nitroso 9845:Nitrite 9840:Nitrate 9830:Cyanate 9820:Nitrile 9805:Amidine 9800:Imidate 9770:Nitrene 9765:Hydrazo 9753:Enamine 9684:Acetoxy 9672:carboxy 9639:Benzoyl 9577:Epoxide 9560:Methoxy 9550:Alcohol 9504:Carbene 9438:Methine 9276:Benzene 9250:Styrene 9127:-Cymene 9119:-Cymene 9111:-Cymene 9100:Cymenes 8991:-Xylene 8983:-Xylene 8975:-Xylene 8964:Xylenes 8945:Toluene 8878:Azulene 8477:Heptyne 8467:Pentyne 8457:Propyne 8422:Alkynes 8347:Heptene 8337:Pentene 8327:Propene 8293:Alkenes 8215:Sterane 8181:Decalin 8169:Housane 7983:Heptane 7973:Pentane 7963:Propane 7953:Methane 7923:Alkanes 7836:Benzene 7828:Trienes 7710:Alkenes 7658:italics 7580:Benzene 7503:PubChem 7499:Benzene 7472:Benzene 7461:Benzene 7451:Scholia 7424:May 11, 7414:Haaretz 7394:May 15, 7171:7517507 7062:9118888 7053:1469747 6959:Bibcode 6925:8013127 6814:(CDC), 6653:1854646 6644:1035396 6549:3363002 6476:4360999 6413:4360999 6361:4059738 6338:Bibcode 6283:(2004) 5961:4268597 5941:Bibcode 5896:Bibcode 5869:4261220 5847:Bibcode 5800:Bibcode 5734:2414835 5706:Bibcode 5632:Bibcode 5623:Science 5562:Bibcode 5553:Science 5532:June 8, 5268:Bibcode 5225:Bibcode 5162:Bibcode 5085:Bibcode 4545:p. 379. 4485:Bibcode 4417:: 1–3. 4083:", or " 3985:"#0049" 3959:Benzene 3929:PubChem 3903:PubChem 3879:Benzene 3758:2153285 3726:Bibcode 3444:killing 3310:toward 3060:tobacco 3044:rubbers 3000:Group 1 2922:in the 2872:aniline 2746:acylium 2726:Catalan 2654:Toluene 2624:rubbers 2607:styrene 2551:aniline 2505:alkenes 2478:-xylene 2441:xylenes 2225:methane 2205:toluene 2150:rhenium 2115:toluene 2016:aniline 2012:toluene 1978:Unicode 1763:of any 1720:(1899) 1713:(1888) 1706:(1887) 1656:(1869) 1649:(1869) 1642:(1867) 1511:benzene 1500:History 1385:organic 1381:Benzene 1362:what is 1360: ( 1315:Toluene 860:entropy 787:(10 °C) 783:0.7528 738:255 nm 650:acetone 634:ethanol 601:acetone 579:alcohol 517:Density 319:PubChem 166:71-43-2 131:Benzol 122:Benzene 14367:Tholin 14188:Pyrene 13633:Silane 13603:Ketene 13105:Oxygen 12779:Niacin 12364:Butane 12317:SL-164 12188:Thymol 12130:TP-003 12011:Others 11814:P1-185 11774:5β-DHP 11769:5α-DHP 11764:3α-DHP 11612:Kavain 11520:Rc-OMe 10185:Iodide 10105:Selone 9949:Sulfur 9658:Ketone 9651:Ketene 9629:Acetyl 9584:Peroxy 9555:Alkoxy 9545:Acetal 9526:oxygen 9515:carbon 9499:Alkyne 9492:Benzyl 9487:Phenyl 9470:Allene 9465:Crotyl 9445:Alkene 9433:Bridge 9421:Pentyl 9406:Propyl 9396:Methyl 9145:Durene 9064:Cumene 8913:Pyrene 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Index

Benzenes
Benzene (disambiguation)
Petroleum benzine
Benzene molecule
Skeletal formula detail of benzene.
Benzene ball-and-stick model
Sample of benzene
Preferred IUPAC name
CAS Number
71-43-2
JSmol
Interactive image
ChEBI
CHEBI:16716
ChEMBL
ChEMBL277500
ChemSpider
236
ECHA InfoCard
100.000.685
Edit this at Wikidata
EC Number
KEGG
C01407
PubChem
241
RTECS number
UNII
J64922108F
CompTox Dashboard

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