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Citric acid

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66: 40: 417: 243: 50: 1183: 1996: 1727: 1178: 1254: 5663: 5651: 2090:, it lets these cleaners produce foam and work better without need for water softening. Citric acid is the active ingredient in some bathroom and kitchen cleaning solutions. A solution with a six percent concentration of citric acid will remove hard water stains from glass without scrubbing. Citric acid can be used in shampoo to wash out wax and coloring from the hair. Illustrative of its chelating abilities, citric acid was the first successful 2071: 1579: 5675: 1257: 1804:. Consequently, it forms complexes even with alkali metal cations. However, when a chelate complex is formed using all three carboxylate groups, the chelate rings have 7 and 8 members, which are generally less stable thermodynamically than smaller chelate rings. In consequence, the hydroxyl group can be deprotonated, forming part of a more stable 5-membered ring, as in 1259: 1258: 2319:
Although a weak acid, exposure to pure citric acid can cause adverse effects. Inhalation may cause cough, shortness of breath, or sore throat. Over-ingestion may cause abdominal pain and sore throat. Exposure of concentrated solutions to skin and eyes can cause redness and pain. Long-term or repeated
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in creams, gels, and liquids. Used in foods and dietary supplements, it may be classified as a processing aid if it was added for a technical or functional effect (e.g. acidulent, chelator, viscosifier, etc.). If it is still present in insignificant amounts, and the technical or functional effect is
2058:). Citric acid sold in a dry powdered form is commonly sold in markets and groceries as "sour salt", due to its physical resemblance to table salt. It has use in culinary applications, as an alternative to vinegar or lemon juice, where a pure acid is needed. Citric acid can be used in 1706:
for the chemical synthesis of citric acid starting either from aconitic or isocitrate (also called alloisocitrate) calcium salts under high pressure conditions; this produced citric acid in near quantitative conversion under what appeared to be a reverse, non-enzymatic
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between about pH 2 and pH 8. In biological systems around pH 7, the two species present are the citrate ion and mono-hydrogen citrate ion. The SSC 20X hybridization buffer is an example in common use. Tables compiled for biochemical studies are available.
1745:. The anhydrous form crystallizes from hot water, while the monohydrate forms when citric acid is crystallized from cold water. The monohydrate can be converted to the anhydrous form at about 78 Â°C. Citric acid also dissolves in absolute (anhydrous) 3465: 2911: 2600:
Silva, Andre M. N.; Kong, Xiaole; Hider, Robert C. (2009). "Determination of the pKa value of the hydroxyl group in the α-hydroxycarboxylates citrate, malate and lactate by 13C NMR: implications for metal coordination in biological systems".
1956:(the commitment step in fatty acid synthesis). In short, citrate is transported into the cytoplasm, converted into acetyl-CoA, which is then converted into malonyl-CoA by acetyl-CoA carboxylase, which is allosterically modulated by citrate. 3068:
Silva, Andre M. N.; Kong, Xiaole; Hider, Robert C. (2009). "Determination of the pKa value of the hydroxyl group in the α-hydroxycarboxylates citrate, malate and lactate by C NMR: implications for metal coordination in biological systems".
1967:. This effect is advantageous: high concentrations of citrate indicate that there is a large supply of biosynthetic precursor molecules, so there is no need for phosphofructokinase to continue to send molecules of its substrate, 3177:
Matzapetakis, M.; Raptopoulou, C. P.; Tsohos, A.; Papaefthymiou, V.; Moon, S. N.; Salifoglou, A. (1998). "Synthesis, Spectroscopic and Structural Characterization of the First Mononuclear, Water Soluble Iron−Citrate Complex,
1912:. The cycle ends with regeneration of oxaloacetate. This series of chemical reactions is the source of two-thirds of the food-derived energy in higher organisms. The chemical energy released is available under the form of 3463:
Saleem, Muhammad Hamzah; Ali, Shafaqat; Rehman, Muzammal; Rizwan, Muhammad; Kamran, Muhammad; Mohamed, Ibrahim A.A.; Khan, Zaid; Bamagoos, Atif A.; Alharby, Hesham F.; Hakeem, Khalid Rehman; Liu, Lijun (August 1, 2020).
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have particularly high concentrations of the acid; it can constitute as much as 8% of the dry weight of these fruits (about 47 g/L in the juices). The concentrations of citric acid in citrus fruits range from
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Citric acid can be added to ice cream as an emulsifying agent to keep fats from separating, to caramel to prevent sucrose crystallization, or in recipes in place of fresh lemon juice. Citric acid is used with
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This still does not make the lemon particularly strongly acidic. This is because, as a weak acid, most of the acid molecules are not dissociated so not contributing to acidity inside the lemon or its juice.
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Strang J, Keaney F, Butterworth G, Noble A, Best D (April 2001). "Different forms of heroin and their relationship to cook-up techniques: data on, and explanation of, use of lemon juice and other acids".
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can be used as an inhibitor of kidney stones by increasing urine citrate levels, useful for prevention of calcium stones, and increasing urine pH, useful for preventing uric acid and cystine stones.
2230:, either dry or as a concentrated solution in water. It should be removed after soldering, especially with fine wires, as it is mildly corrosive. It dissolves and rinses quickly in hot water. 1158: 1718:
in beverages, some 20% in other food applications, 20% for detergent applications, and 10% for applications other than food, such as cosmetics, pharmaceuticals, and in the chemical industry.
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Bergeron, Raymond J.; Xin, Meiguo; Smith, Richard E.; Wollenweber, Markus; McManis, James S.; Ludin, Christian; Abboud, Khalil A. (1997). "Total synthesis of rhizoferrin, an iron chelator".
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Because it is one of the stronger edible acids, the dominant use of citric acid is as a flavoring and preservative in food and beverages, especially soft drinks and candies. Within the
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it with calcium hydroxide to yield calcium citrate salt, from which citric acid is regenerated by treatment with sulfuric acid, as in the direct extraction from citrus fruit juice.
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from boilers and evaporators. It can be used to treat water, which makes it useful in improving the effectiveness of soaps and laundry detergents. By chelating the metals in
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could produce citric acid from sugar. However, microbial production of citric acid did not become industrially important until World War I disrupted Italian citrus exports.
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Shweky, Itzhak; Bino, Avi; Goldberg, David P.; Lippard, Stephen J. (1994). "Syntheses, Structures, and Magnetic Properties of Two Dinuclear Iron(III) Citrate Complexes".
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can be produced via thermal isomerization of itaconic acid anhydride. The required itaconic acid anhydride is obtained by dry distillation of citric acid.
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of the hydroxyl group has been found, by means of C NMR spectroscopy, to be 14.4. The speciation diagram shows that solutions of citric acid are
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Maniatis, T.; Fritsch, E. F.; Sambrook, J. 1982. Molecular Cloning: A Laboratory Manual. Cold Spring Harbor Laboratory, Cold Spring Harbor, NY.
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Global production was in excess of 2,000,000 tons in 2018. More than 50% of this volume was produced in China. More than 50% was used as an
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Xiang Hao, Yongge Wei, Shiwei Zhang (2001): "Synthesis, crystal structure and magnetic property of a binuclear iron(III) citrate complex".
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like oranges and lemons depends on the citric acid concentration, with a higher concentration of citric acid resulting in a lower pH.
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J. Zheng; F. Xiao; L. M. Qian; Z. R. Zhou (December 2009). "Erosion behavior of human tooth enamel in citric acid solution".
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in 1929. In this production technique, which is still the major industrial route to citric acid used today, cultures of
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for oranges and grapefruits to 0.30 mol/L in lemons and limes; these values vary within species depending upon the
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Citric acid is used as one of the active ingredients in the production of facial tissues with antiviral properties.
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of citric acid can be prepared by careful adjustment of the pH before crystallizing the compound. See, for example,
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Conversely, the pH of a 1 mM solution of citric acid will be about 3.2. The pH of fruit juices from
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are alkaline, so a mild acid is used to neutralize and stop their action quickly, but commonly used
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Citric acid is a versatile precursor to many other organic compounds. Dehydration routes give
1971:, into glycolysis. Citrate acts by augmenting the inhibitory effect of high concentrations of 1896:
cid) cycle or the Krebs cycle, a central metabolic pathway for animals, plants, and bacteria.
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values, extrapolated to zero ionic strength, of 3.128, 4.761, and 6.396 at 25 Â°C. The pK
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can be used as a blood acid regulator. The citric acid is included to improve palatability
2082:, binding metals by making them soluble. It is used to remove and discourage the buildup of 5272: 4241: 3477: 3302: 3033: 2930: 2023: 1968: 1941: 1708: 1611: 1582:
Lemons, oranges, limes, and other citrus fruits contain high concentrations of citric acid.
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R. L. Shriner; S. G. Ford; l. J. Roll (1931). "Citraconic Anhydride and Citraconic Acid".
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isolate: II. Optimization of process parameters through statistical experimental designs"
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In 1917, American food chemist James Currie discovered that certain strains of the mold
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R. L. Shriner; S. G. Ford; l. J. Roll (1931). "Itaconic anhydride and itaconic acid".
3840: 3246: 5701: 5601: 5586: 5460: 5442: 5320: 5315: 5199: 4865: 4690: 4660: 4490: 4480: 4284: 4215: 3953: 3852: 3844: 3800:"An Investigation of the Chemistry of Citric Acid in Military Soldering Applications" 3701: 3683: 3614: 3578: 3560: 3505: 3493: 3445: 3357: 3330: 3269: 3157: 3153: 3086: 2946: 2873: 2846: 2755: 2704: 2626: 2618: 2539: 2425: 2227: 2203: 2099: 1881: 1875: 1715: 1676: 1651: 1622: 1499: 1449: 1358: 986: 5533: 4066: 3098: 3053: 1659:
began industrial-level production using this technique two years later, followed by
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InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
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JOHNSON, WARREN C.; QUILL, LAURENCE L.; DANIELS, FARRINGTON (September 1, 1947).
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Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013
2404: 2308: 2249: 2192: 2155: 2113: 1944:, and into oxaloacetate. Citrate is a positive modulator of this conversion, and 1858: 1772: 1750: 1626: 1617:
Industrial-scale citric acid production first began in 1890 based on the Italian
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found in solutions and salts of citric acid. An example of the former, a salt is
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InChI=1/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
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Roger Adams; H. M. Chiles; C. F. Rassweiler (1925). "Acetonedicarboxylic Acid".
3425: 2513: 2184:, used for both qualitative and quantitative identification of reducing sugars. 2042:
formulae, both for ingestion (e.g., powders and tablets) and for personal care (
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no longer present, it may be exempt from labeling <21 CFR §101.100(c)>.
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Citric acid is commonly used as a buffer to increase the solubility of brown
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Elements of chemistry, including the applications of the science in the arts
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A History of Lactic Acid Making: A Chapter in the History of Biotechnology
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could be efficient citric acid producers, and the pharmaceutical company
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with acetyl CoA to form citrate. Citrate then acts as the substrate for
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groups to form any of a variety of mono-, di-, tri-, and mixed esters.
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Citric acid occurs in a variety of fruits and vegetables, most notably
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in the 1940s. In the 1950s, it was replaced by the far more efficient
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Citrate is a vital component of bone, helping to regulate the size of
1952:, which is the regulating enzyme in the conversion of acetyl-CoA into 5093: 4875: 4835: 4795: 4720: 4560: 4445: 4400: 2777:[Note about lemon juice, as well as ways to crystallize it]. 2224: 2199: 2125: 2083: 2079: 2055: 2051: 1905: 1786: 1749:(76 parts of citric acid per 100 parts of ethanol) at 15 Â°C. It 1738: 1510:
is part of a salt, the formula of the citrate trianion is written as
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1972.34 kJ/mol (471.4 kcal/mol, 2.24 kcal/g) (monohydrate)
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for the formation of these complexes are quite large because of the
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Except where otherwise noted, data are given for materials in their
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Goldberg, Robert N.; Kishore, Nand; Lennen, Rebecca M. (2002).
2140: 2091: 1656: 1587: 1573: 1441: 1410: 1407: 171: 2992:"Global Citric Acid Markets Report, 2011-2018 & 2019-2024" 2910:
Lotfy, Walid A.; Ghanem, Khaled M.; El-Helow, Ehab R. (2007).
1975:, another sign that there is no need to carry out glycolysis. 5637:
University of California, Riverside Citrus Variety Collection
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in Linstrom, Peter J.; Mallard, William G. (eds.);
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Citric acid can be used as an alternative to nitric acid in
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In industry, it is used to dissolve rust from steel, and to
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Lamberti, Vincent; Gutierrez, Eddie N. (November 1, 1977).
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Verhoff, Frank H.; Bauweleers, Hugo (2014). "Citric Acid".
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The citrate ion forms complexes with metallic cations. The
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Cosmetics, pharmaceuticals, dietary supplements, and foods
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solution. After the mold is filtered out of the resulting
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industry, where the juice was treated with hydrated lime (
4226: 3396: 3353: 2872:. Springer Science & Business Media. pp. 140–5. 589:
310 Â°C (590 Â°F; 583 K) decomposes from 175
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Hu, Y.-Y.; Rawal, A.; Schmidt-Rohr, K. (December 2010).
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1985.3 kJ/mol (474.5 kcal/mol, 2.47 kcal/g), 1960.6
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Penniston KL, Nakada SY, Holmes RP, Assimos DG (2008).
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can be synthesized by dehydration of citric acid using
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and the circumstances under which the fruit was grown.
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Citric acid was first isolated in 1784 by the chemist
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British Pharmacopoeia Commission Secretariat (2009).
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Food Composition Data: Production, Management and Use
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Stryer, Lubert; Berg, Jeremy; Tymoczko, John (2003).
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High concentrations of cytosolic citrate can inhibit
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with loss of carbon dioxide above about 175 Â°C.
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Tang, Sheau-Chung; Yang, Jen-Hung (April 10, 2018).
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and is an active ingredient in chemical skin peels.
1219: 3822: 3662:Chen, Wei; Abramowitz, Matthew K. (February 2014). 3423: 3347: 3288: 2909: 1733:
diagram for a 10-millimolar solution of citric acid
293: 5632:University of California Citrus Experiment Station 3259: 3253: 2169:Citric acid is used as an odorless alternative to 3539:"Dual Effects of Alpha-Hydroxy Acids on the Skin" 2963: 2830: 2406:International Union of Pure and Applied Chemistry 2062:to balance the pH level of a normally basic dye. 5693: 3752:"The Darkroom Cookbook: 3rd Edition (Paperback)" 345: 338: 3823:Berg, C.; Larsson, L.; Tiselius, H. G. (1992). 3348:Greenfield, Heather; Southgate, D.A.T. (2003). 3295:Proceedings of the National Academy of Sciences 2065: 1256: 115: 19:"E330" redirects here. For the locomotive, see 3661: 3067: 2966:"Chemical processes for preparing citric acid" 2834:Ullmann's Encyclopedia of Industrial Chemistry 2779:Kungliga Vetenskaps Academiens Nya Handlingar 2599: 2214:leaves a strong vinegar odor in the darkroom. 2094:used for total ion-exchange separation of the 1936:and into the cytoplasm, then broken down into 4242: 4139: 1486:is a derivative of citric acid; that is, the 3923: 3341: 2656:, NIST Standard Reference Database Number 69 1574:Natural occurrence and industrial production 4092:"Japanese Pharmacopoeia, Fifteenth Edition" 2865: 2468: 2466: 2464: 2462: 2460: 2458: 2456: 2400: 2398: 2158:properties of citrates are used to control 1999:Powdered citric acid being used to prepare 1721: 4249: 4235: 4146: 4132: 3720:"Pickling and Passivating Stainless Steel" 2826: 2824: 2822: 2820: 1963:, the catalyst of a rate-limiting step of 1463:More than two million tons of citric acid 415: 241: 199: 3695: 3572: 3554: 3470:Environmental Technology & Innovation 3324: 3314: 2749: 2509: 2507: 2505: 2503: 2501: 2499: 2074:Structure of an iron(III) citrate complex 1927: 382: 93:2-Hydroxypropane-1,2,3-tricarboxylic acid 3536: 2698: 2453: 2395: 2311:of citric acid in fuming sulfuric acid. 2198:Citric acid can be used as a lower-odor 2069: 1994: 1725: 1614:, who crystallized it from lemon juice. 1577: 972: 4045:"Effect of Citric Acid on Tooth Enamel" 3978: 3976: 3430:Chemical & Engineering News Archive 2817: 2772: 2579:"Ionization Constants of Organic Acids" 2535: 2533: 2531: 2529: 2527: 2525: 2362:(tricarballylic acid, carballylic acid) 411: 219: 5694: 4275:Australian and Papuan wild limes group 3924:Bruce, W. F. (1937). "Aconitic Acid". 3390: 3134: 2892: 2795: 2644: 2642: 2640: 2496: 2202:as part of the process for developing 1932:Citrate can be transported out of the 1313:345 Â°C (653 Â°F; 618 K) 1299:155 Â°C (311 Â°F; 428 K) 579:156 Â°C (313 Â°F; 429 K) 232: 43:Stereo skeletal formula of citric acid 4230: 4127: 3380:, volume 26, issue 4, pages 384–387. 3370: 2789: 2674:"Citric acid | C6H8O7 - PubChem" 2668: 2666: 2664: 1922:Nobel Prize in Physiology or Medicine 443:Key: KRKNYBCHXYNGOX-UHFFFAOYSA-N 179: 159: 5674: 4084: 4051: 3994:. September 18, 2018. Archived from 3973: 2522: 2371: 2327: 2240:Synthesis of other organic compounds 2218:Citric acid/potassium-sodium citrate 1869: 1123: 3988:International Chemical Safety Cards 3772: 3749: 3668:American Journal of Kidney Diseases 2912:"Citric acid production by a novel 2896:The Journal of Biological Chemistry 2637: 453:Key: KRKNYBCHXYNGOX-UHFFFAOYAM 329: 313: 53:Ball-and-stick model of citric acid 13: 2661: 1880:Citrate is an intermediate in the 1737:Citric acid can be obtained as an 1252: 48: 38: 14: 5758: 4119: 3148:. Vol. 1. pp. 138–146. 2320:consumption may cause erosion of 2180:Sodium citrate is a component of 1990: 1702:In 1977, a patent was granted to 1467:every year. It is used widely as 527:g/mol (monohydrate) 5673: 5662: 5661: 5650: 5649: 2360:propane-1,2,3-tricarboxylic acid 1181: 1176: 1090:Heat of combustion, higher value 64: 4037: 4010: 3944: 3917: 3890: 3863: 3816: 3805:. June 19, 1995. Archived from 3792: 3766: 3743: 3725:. Euro-inox.org. Archived from 3712: 3655: 3633: 3589: 3530: 3512: 3456: 3417: 3282: 3226: 3170: 3128: 3119: 3105: 3061: 3010: 2984: 2957: 2903: 2886: 2859: 2766: 2717: 2692: 2557:"Data for Biochemical Research" 2377: 1985: 1864: 1448:, it is an intermediate in the 1377:(at 25 Â°C , 100 kPa). 4031:10.1016/j.triboint.2008.12.008 3145:Methods in Enzymology Volume 1 2943:10.1016/j.biortech.2006.11.032 2773:Scheele, Carl Wilhelm (1784). 2571: 2549: 2438: 2414:The Royal Society of Chemistry 1900:catalyzes the condensation of 1140:Occupational safety and health 1: 4914:Fingered citron/Buddha's hand 3841:10.1016/s0022-5347(17)36795-2 3247:10.1016/S0040-4020(96)01061-7 2866:H. Benninga (June 30, 1990). 2843:10.1002/14356007.a07_103.pub3 2389: 2149: 1695:, citric acid is isolated by 5352:Dried lime tea (noomi basra) 3154:10.1016/0076-6879(55)01020-3 2699:Apleblat, Alexander (2014). 2223:Citric acid is an excellent 2078:Citric acid is an excellent 2066:Cleaning and chelating agent 2026:, which is published by the 1857:at one or more of its three 7: 2781:. 2nd series (in Swedish). 2581:. Michigan State University 2559:. ZirChrom Separations, Inc 2344: 2028:United States Pharmacopoeia 1331:or concentration (LD, LC): 34: 10: 5763: 4256: 3680:10.1053/j.ajkd.2013.06.017 3641:"Tissues that fight germs" 3442:10.1021/cen-v025n035.p2494 3378:Transition Metal Chemistry 3058:(Link added 4 August 2024) 2546:. Retrieved on 2014-06-02. 2162:in household cleaners and 2124:Citric acid is used as an 1873: 1756:Citric acid is a tribasic 1741:(water-free) form or as a 474:OC(=O)CC(O)(C(=O)O)CC(=O)O 18: 5645: 5572: 5559:Johann Christoph Volkamer 5506: 5451: 5390: 5329: 5297: 5268:Orange-flowered oxanthera 5252: 5223: 5171: 5149: 5136: 5077: 5036: 5026: 5003: 4975: 4937: 4889: 4691:Myrtle-leaved orange tree 4681:Midknight Valencia Orange 4369: 4328: 4264: 4200: 4167: 3556:10.3390/molecules23040863 3490:10.1016/j.eti.2020.100895 3083:10.1007/s10534-009-9224-5 2615:10.1007/s10534-009-9224-5 2314: 1884:, also known as the TCA ( 1440:. It occurs naturally in 1371: 1327: 1157: 1137: 1132: 1106: 996: 979: 523:g/mol (anhydrous), 210.14 482: 462: 427: 99: 87: 77: 72: 63: 33: 3967:10.15227/orgsyn.005.0005 3938:10.15227/orgsyn.017.0001 3911:10.15227/orgsyn.011.0028 3884:10.15227/orgsyn.011.0070 3779:pubchem.ncbi.nlm.nih.gov 3026:J. Phys. Chem. Ref. Data 2307:can also be prepared by 2305:Acetonedicarboxylic acid 1722:Chemical characteristics 1687:, or other inexpensive, 1228:Precautionary statements 5732:Food acidity regulators 5544:Walter Tennyson Swingle 5524:Lena B. Smithers Hughes 5215:Brown River finger lime 4019:Tribology International 3386:10.1023/A:1011055306645 3316:10.1073/pnas.1009219107 2837:. Weinheim: Wiley-VCH. 2796:Graham, Thomas (1842). 2350:Closely related acids: 2208:Photographic developers 2173:for fabric dyeing with 1806:ammonium ferric citrate 5742:Photographic chemicals 5519:Robert Willard Hodgson 5210:Australian finger lime 4726:Palestinian sweet lime 4706:New Zealand grapefruit 4154:Digestives, including 4097:. 2006. Archived from 3829:The Journal of Urology 2923:Bioresource Technology 2893:Currie, James (1917). 2730:Journal of Endourology 2654:NIST Chemistry WebBook 2339:Japanese Pharmacopoeia 2075: 2004: 1950:acetyl-CoA carboxylase 1928:Other biological roles 1914:Adenosine triphosphate 1908:and is converted into 1734: 1583: 1452:, which occurs in the 1263: 1153:Skin and eye irritant 54: 44: 5617:List of citrus fruits 5190:Australian round lime 4856:Variegated pink lemon 3732:on September 12, 2012 2742:10.1089/end.2007.0304 2422:10.1039/9781849733069 2334:British Pharmacopoeia 2073: 1998: 1948:regulates the enzyme 1729: 1581: 1262: 52: 42: 5273:Large-leaf oxanthera 5185:New Guinea wild lime 4025:(11–12): 1558–1564. 3643:. CNN. July 14, 2004 3611:10.1081/ja-100103561 2484:on November 29, 2014 2024:Food Chemicals Codex 1969:fructose 6-phosphate 1942:fatty acid synthesis 1709:Krebs cycle reaction 1612:Carl Wilhelm Scheele 1245:(fire diamond) 89:Preferred IUPAC name 5747:Tricarboxylic acids 5737:Household chemicals 5707:Alpha hydroxy acids 5581:The Citrus Industry 5564:Herbert John Webber 5423:Orange flower water 5278:Wavy-leaf oxanthera 4476:Fairchild tangerine 3835:(3 Pt 2): 979–985. 3482:2020EnvTI..1900895S 3411:10.1021/ic00101a001 3399:Inorganic Chemistry 3307:2010PNAS..10722425H 3301:(52): 22425–22429. 3214:(50): 13266–13267. 3135:Gomori, G. (1955). 3113:"SSC - OpenWetWare" 3038:2002JPCRD..31..231G 2935:2007BiTec..98.3470L 2680:on January 19, 2022 2248:and its anhydride. 2038:in a wide range of 2020:dietary supplements 1961:phosphofructokinase 1924:for the discovery. 1853:Citric acid can be 1798:stability constants 1353:mg/kg (rats, oral) 600:Solubility in water 350: (monohydrate) 277:(antioxidants, ...) 30: 5727:E-number additives 5622:Mother Orange Tree 5284:Oxanthera brevipes 5244:Clymenia polyandra 5239:Clymenia platypoda 5200:Maiden's wild lime 5195:Russell River lime 4947:Cleopatra mandarin 4806:Smith Red Valencia 4526:Indian wild orange 3812:on March 15, 2020. 2182:Benedict's reagent 2134:alpha hydroxy acid 2132:Citric acid is an 2076: 2054:, and cleaning of 2036:sodium bicarbonate 2005: 1920:received the 1953 1735: 1584: 1381:Infobox references 1264: 55: 45: 28: 5689: 5688: 5602:Cold-hardy citrus 5587:Citrus production 5321:Trifoliate orange 5293: 5292: 5261: 5232: 5178: 5156: 5132: 5131: 5044:Hong Kong kumquat 4990:Mountain "citron" 4967:Willowleaf orange 4716:Orangelo/Chironja 4661:Melanesian papeda 4481:Florentine citron 4362: 4224: 4223: 4216:Hydrochloric acid 4072:on April 11, 2009 3954:Organic Syntheses 3926:Organic Syntheses 3405:(23): 5161–5162. 3220:10.1021/ja9807035 3046:10.1063/1.1416902 2929:(18): 3470–3477. 2914:Aspergillus niger 2879:978-0-7923-0625-2 2710:978-3-319-11232-9 2540:Fisher Scientific 2431:978-0-85404-182-4 2372:Explanatory notes 2328:Compendial status 2204:photographic film 2100:Manhattan Project 2011:it is denoted by 1882:citric acid cycle 1876:Citric acid cycle 1870:Citric acid cycle 1716:acidity regulator 1677:corn steep liquor 1665:Aspergillus niger 1652:Aspergillus niger 1625:) to precipitate 1623:calcium hydroxide 1500:trisodium citrate 1458:aerobic organisms 1450:citric acid cycle 1389:Chemical compound 1387: 1386: 1359:Safety data sheet 1206:Hazard statements 987:Crystal structure 858:g/100 g (25 836:g/100 g (25 814:g/100 g (25 792:g/100 g (25 569:°C, monohydrate) 396:CompTox Dashboard 141:Interactive image 59: 58: 16:Weak organic acid 5754: 5712:Chelating agents 5677: 5676: 5665: 5664: 5653: 5652: 5592:Citrus rootstock 5549:Chƍzaburƍ Tanaka 5507:Citrus botanists 5357:Grapefruit juice 5259: 5230: 5205:Mount White lime 5176: 5154: 5147: 5146: 5142:wild limes group 5078:Kumquat hybrids 5034: 5033: 4939:Mandarin oranges 4786:Satsuma mandarin 4546:Jamaican tangelo 4356: 4251: 4244: 4237: 4228: 4227: 4148: 4141: 4134: 4125: 4124: 4114: 4113: 4111: 4109: 4104:on July 22, 2011 4103: 4096: 4088: 4082: 4081: 4079: 4077: 4071: 4065:. Archived from 4064: 4060:"Index, BP 2009" 4055: 4049: 4048: 4041: 4035: 4034: 4014: 4008: 4007: 4005: 4003: 3998:on July 12, 2018 3980: 3971: 3969: 3948: 3942: 3941: 3921: 3915: 3914: 3894: 3888: 3887: 3867: 3861: 3860: 3820: 3814: 3813: 3811: 3804: 3796: 3790: 3789: 3787: 3785: 3775:"Sodium citrate" 3770: 3764: 3763: 3761: 3759: 3750:Anchell, Steve. 3747: 3741: 3740: 3738: 3737: 3731: 3724: 3716: 3710: 3709: 3699: 3659: 3653: 3652: 3650: 3648: 3637: 3631: 3630: 3599:Subst Use Misuse 3593: 3587: 3586: 3576: 3558: 3534: 3528: 3527: 3516: 3510: 3509: 3460: 3454: 3453: 3421: 3415: 3414: 3394: 3388: 3374: 3368: 3367: 3345: 3339: 3338: 3328: 3318: 3286: 3280: 3279: 3257: 3251: 3250: 3230: 3224: 3223: 3208:J. Am. Chem. Soc 3174: 3168: 3167: 3141: 3132: 3126: 3123: 3117: 3116: 3109: 3103: 3102: 3065: 3059: 3057: 3023: 3014: 3008: 3007: 3005: 3003: 2998:. March 19, 2019 2988: 2982: 2980: 2978: 2976: 2961: 2955: 2954: 2920: 2907: 2901: 2900: 2890: 2884: 2883: 2863: 2857: 2856: 2828: 2815: 2814: 2812: 2810: 2793: 2787: 2786: 2770: 2764: 2763: 2753: 2721: 2715: 2714: 2696: 2690: 2689: 2687: 2685: 2676:. Archived from 2670: 2659: 2646: 2635: 2634: 2597: 2591: 2590: 2588: 2586: 2575: 2569: 2568: 2566: 2564: 2553: 2547: 2537: 2520: 2511: 2494: 2493: 2491: 2489: 2480:. Archived from 2470: 2451: 2442: 2436: 2435: 2402: 2384: 2381: 2114:stainless steels 1918:Hans Adolf Krebs 1898:Citrate synthase 1849: 1839: 1838: 1835: 1818: 1817: 1814: 1773:buffer solutions 1569: 1568: 1567: 1559: 1558: 1550: 1549: 1539: 1538: 1537: 1529: 1528: 1520: 1519: 1504:triethyl citrate 1496:polyatomic anion 1465:are manufactured 1429: 1401:skeletal formula 1397:organic compound 1352: 1319:Explosive limits 1284: 1277: 1270: 1255: 1235: 1221: 1217: 1213: 1185: 1180: 1127: 1099: 1082: 1075: 1051: 1044: 1023: 1020:J/(mol·K) (26.85 1019: 1012: 997:Thermochemistry 974: 970: 956: 950: 934:Refractive index 861: 857: 839: 835: 817: 813: 795: 791: 755: 754: 753: 745: 744: 702: 698: 692: 688: 682: 678: 672: 668: 662: 658: 652: 648: 642: 638: 632: 628: 622: 618: 612: 608: 592: 568: 564: 559:g/cm (anhydrous) 558: 526: 522: 508: 490:Chemical formula 420: 419: 404: 402: 386: 349: 342: 331: 317: 297: 271: 253: 245: 234: 223: 203: 183: 163: 143: 119: 68: 35: 31: 27: 5762: 5761: 5757: 5756: 5755: 5753: 5752: 5751: 5692: 5691: 5690: 5685: 5641: 5612:Japanese citrus 5597:Citrus taxonomy 5568: 5554:Ikuro Takahashi 5529:David Mabberley 5502: 5447: 5398:Calcium citrate 5386: 5337:Calamansi juice 5325: 5303: 5301: 5289: 5260:(former genera) 5258: 5248: 5231:(former genera) 5229: 5219: 5177:(former genera) 5175: 5167: 5155:(former genera) 5153: 5141: 5139: 5128: 5085:Citrofortunella 5079: 5073: 5069:Malayan kumquat 5064:Jiangsu kumquat 5037:Kumquat species 5022: 4999: 4971: 4933: 4929:Yemenite citron 4924:Moroccan citron 4909:Diamante citron 4904:Corsican citron 4885: 4851:Valencia orange 4746:Ponderosa lemon 4616:Kobayashi mikan 4486:Forbidden fruit 4436:Cara cara navel 4396:Bergamot orange 4371: 4370:True and hybrid 4365: 4324: 4320:Ryukyu mandarin 4310:Mountain citron 4300:Mandarin orange 4260: 4255: 4225: 4220: 4196: 4163: 4152: 4122: 4117: 4107: 4105: 4101: 4094: 4090: 4089: 4085: 4075: 4073: 4069: 4062: 4056: 4052: 4043: 4042: 4038: 4015: 4011: 4001: 3999: 3982: 3981: 3974: 3949: 3945: 3922: 3918: 3895: 3891: 3868: 3864: 3821: 3817: 3809: 3802: 3798: 3797: 3793: 3783: 3781: 3771: 3767: 3757: 3755: 3748: 3744: 3735: 3733: 3729: 3722: 3718: 3717: 3713: 3660: 3656: 3646: 3644: 3639: 3638: 3634: 3594: 3590: 3535: 3531: 3518: 3517: 3513: 3461: 3457: 3422: 3418: 3395: 3391: 3375: 3371: 3364: 3356:. p. 146. 3346: 3342: 3287: 3283: 3276: 3258: 3254: 3231: 3227: 3205: 3201: 3197: 3193: 3189: 3185: 3181: 3175: 3171: 3164: 3139: 3133: 3129: 3124: 3120: 3111: 3110: 3106: 3066: 3062: 3021: 3015: 3011: 3001: 2999: 2990: 2989: 2985: 2974: 2972: 2962: 2958: 2918: 2908: 2904: 2891: 2887: 2880: 2864: 2860: 2853: 2829: 2818: 2808: 2806: 2794: 2790: 2771: 2767: 2722: 2718: 2711: 2697: 2693: 2683: 2681: 2672: 2671: 2662: 2647: 2638: 2598: 2594: 2584: 2582: 2577: 2576: 2572: 2562: 2560: 2555: 2554: 2550: 2538: 2523: 2512: 2497: 2487: 2485: 2472: 2471: 2454: 2443: 2439: 2432: 2416:. p. 747. 2403: 2396: 2392: 2387: 2382: 2378: 2374: 2347: 2330: 2317: 2309:decarboxylation 2299: 2295: 2291: 2287: 2283: 2279: 2275: 2271: 2267: 2250:Citraconic acid 2242: 2193:stainless steel 2164:pharmaceuticals 2152: 2122: 2080:chelating agent 2068: 1993: 1988: 1930: 1878: 1872: 1867: 1859:carboxylic acid 1847: 1843: 1836: 1833: 1832: 1830: 1826: 1822: 1815: 1812: 1811: 1809: 1770: 1765: 1724: 1627:calcium citrate 1576: 1566: 1563: 1562: 1561: 1557: 1554: 1553: 1552: 1548: 1545: 1544: 1543: 1541: 1536: 1533: 1532: 1531: 1527: 1524: 1523: 1522: 1518: 1515: 1514: 1513: 1511: 1506:. When citrate 1477:chelating agent 1428: 1424: 1420: 1416: 1403: 1390: 1383: 1378: 1350: 1346: 1340: 1310: 1307: 1289: 1288: 1287: 1286: 1279: 1272: 1265: 1261: 1253: 1230: 1208: 1194: 1173: 1150: 1116: 1101: 1097: 1093: 1080: 1076: 1073: 1067: 1063: 1060: 1059:Std enthalpy of 1049: 1045: 1042: 1035: 1032: 1021: 1017: 1013: 1006: 989: 968: 954: 952: 948: 947:1.493–1.509 (20 944: 942: 926: 919: 917: 910: 908: 901: 899: 889: 859: 855: 837: 833: 815: 811: 793: 789: 769: 762: 752: 749: 748: 747: 743: 740: 739: 738: 736: 733: 700: 696: 694: 690: 686: 684: 680: 676: 674: 670: 666: 664: 660: 656: 654: 650: 646: 644: 640: 636: 634: 630: 626: 624: 620: 616: 614: 610: 606: 602: 590: 566: 562: 560: 556: 524: 520: 507: 503: 499: 495: 492: 478: 475: 470: 469: 458: 455: 454: 451: 445: 444: 441: 435: 434: 423: 405: 398: 389: 369: 353: 332: 320: 300: 287: 263: 226: 206: 186: 166: 146: 133: 122: 109: 95: 94: 83: 24: 17: 12: 11: 5: 5760: 5750: 5749: 5744: 5739: 5734: 5729: 5724: 5719: 5714: 5709: 5704: 5687: 5686: 5684: 5683: 5671: 5659: 5646: 5643: 5642: 5640: 5639: 5634: 5629: 5624: 5619: 5614: 5609: 5604: 5599: 5594: 5589: 5584: 5576: 5574: 5573:Related topics 5570: 5569: 5567: 5566: 5561: 5556: 5551: 5546: 5541: 5536: 5534:ClĂ©ment Rodier 5531: 5526: 5521: 5516: 5514:Clara H. Hasse 5510: 5508: 5504: 5503: 5501: 5500: 5499: 5498: 5488: 5483: 5478: 5473: 5468: 5463: 5457: 5455: 5449: 5448: 5446: 5445: 5440: 5435: 5430: 5425: 5420: 5415: 5410: 5405: 5400: 5394: 5392: 5388: 5387: 5385: 5384: 5379: 5374: 5369: 5364: 5359: 5354: 5349: 5344: 5339: 5333: 5331: 5327: 5326: 5324: 5323: 5311: 5309: 5299:Related genera 5295: 5294: 5291: 5290: 5288: 5287: 5280: 5275: 5270: 5264: 5262: 5250: 5249: 5247: 5246: 5241: 5235: 5233: 5221: 5220: 5218: 5217: 5212: 5207: 5202: 5197: 5192: 5187: 5181: 5179: 5169: 5168: 5166: 5165: 5159: 5157: 5144: 5134: 5133: 5130: 5129: 5127: 5126: 5121: 5116: 5111: 5106: 5101: 5096: 5090: 5088: 5075: 5074: 5072: 5071: 5066: 5061: 5056: 5051: 5046: 5040: 5038: 5031: 5024: 5023: 5021: 5020: 5015: 5009: 5007: 5001: 5000: 4998: 4997: 4992: 4987: 4985:Celebes papeda 4981: 4979: 4973: 4972: 4970: 4969: 4964: 4959: 4954: 4949: 4943: 4941: 4935: 4934: 4932: 4931: 4926: 4921: 4916: 4911: 4906: 4901: 4895: 4893: 4887: 4886: 4884: 4883: 4878: 4873: 4871:XĂŁ ĐoĂ i orange 4868: 4863: 4861:Volkamer lemon 4858: 4853: 4848: 4843: 4838: 4833: 4828: 4823: 4818: 4813: 4808: 4803: 4798: 4793: 4788: 4783: 4778: 4773: 4768: 4763: 4758: 4753: 4748: 4743: 4738: 4736:Pixie mandarin 4733: 4728: 4723: 4718: 4713: 4708: 4703: 4698: 4693: 4688: 4683: 4678: 4673: 4668: 4663: 4658: 4653: 4648: 4643: 4638: 4636:Lemonade fruit 4633: 4628: 4623: 4618: 4613: 4608: 4603: 4598: 4596:Kinkoji unshiu 4593: 4588: 4583: 4581:Kawachi bankan 4578: 4573: 4568: 4563: 4558: 4553: 4548: 4543: 4538: 4533: 4528: 4523: 4521:Imperial lemon 4518: 4513: 4508: 4503: 4498: 4493: 4488: 4483: 4478: 4473: 4468: 4463: 4458: 4453: 4448: 4443: 4438: 4433: 4428: 4423: 4418: 4413: 4408: 4403: 4398: 4393: 4388: 4383: 4377: 4375: 4367: 4366: 4364: 4363: 4351: 4346: 4341: 4335: 4333: 4326: 4325: 4323: 4322: 4317: 4312: 4307: 4302: 4297: 4295:Kumquats group 4292: 4287: 4282: 4277: 4271: 4269: 4262: 4261: 4254: 4253: 4246: 4239: 4231: 4222: 4221: 4219: 4218: 4213: 4207: 4205: 4198: 4197: 4195: 4194: 4189: 4184: 4179: 4173: 4171: 4165: 4164: 4151: 4150: 4143: 4136: 4128: 4121: 4120:External links 4118: 4116: 4115: 4083: 4050: 4036: 4009: 3972: 3943: 3916: 3889: 3862: 3815: 3791: 3765: 3742: 3711: 3674:(2): 311–317. 3654: 3632: 3588: 3529: 3511: 3455: 3416: 3389: 3369: 3362: 3340: 3281: 3275:978-0716746843 3274: 3252: 3241:(2): 427–434. 3225: 3203: 3199: 3195: 3191: 3187: 3183: 3179: 3169: 3162: 3127: 3118: 3104: 3077:(5): 771–778. 3060: 3032:(1): 231–370. 3009: 2996:prnewswire.com 2983: 2970:Google Patents 2956: 2902: 2885: 2878: 2858: 2852:978-3527306732 2851: 2816: 2788: 2765: 2736:(3): 567–570. 2716: 2709: 2691: 2660: 2636: 2609:(5): 771–778. 2592: 2570: 2548: 2521: 2495: 2452: 2437: 2430: 2393: 2391: 2388: 2386: 2385: 2375: 2373: 2370: 2369: 2368: 2363: 2352:isocitric acid 2346: 2343: 2342: 2341: 2336: 2329: 2326: 2316: 2313: 2302: 2301: 2297: 2293: 2289: 2285: 2281: 2277: 2273: 2269: 2265: 2241: 2238: 2234:Alkali citrate 2151: 2148: 2121: 2118: 2067: 2064: 2009:European Union 1992: 1991:Food and drink 1989: 1987: 1984: 1946:allosterically 1929: 1926: 1874:Main article: 1871: 1868: 1866: 1863: 1845: 1841: 1828: 1824: 1820: 1802:chelate effect 1791:sodium citrate 1768: 1763: 1723: 1720: 1704:Lever Brothers 1661:Citrique Belge 1575: 1572: 1564: 1555: 1546: 1534: 1525: 1516: 1502:; an ester is 1426: 1422: 1418: 1414: 1388: 1385: 1384: 1379: 1375:standard state 1372: 1369: 1368: 1362: 1355: 1354: 1347: 1338: 1336: 1333: 1332: 1325: 1324: 1321: 1315: 1314: 1311: 1304: 1301: 1300: 1297: 1291: 1290: 1280: 1273: 1266: 1251: 1250: 1249: 1248: 1246: 1237: 1236: 1234:P305+P351+P338 1231: 1226: 1223: 1222: 1209: 1204: 1201: 1200: 1195: 1190: 1187: 1186: 1174: 1169: 1166: 1165: 1155: 1154: 1151: 1148: 1145: 1144: 1135: 1134: 1130: 1129: 1117: 1112: 1109: 1108: 1104: 1103: 1094: 1088: 1085: 1084: 1077: 1071: 1065: 1057: 1054: 1053: 1046: 1040: 1029: 1026: 1025: 1014: 1002: 999: 998: 994: 993: 990: 985: 982: 981: 977: 976: 965: 959: 958: 945: 940: 932: 929: 928: 924: 915: 906: 897: 891: 887: 877: 876: 873: 864: 863: 852: 842: 841: 830: 820: 819: 808: 798: 797: 786: 776: 775: 767: 760: 750: 741: 711: 705: 704: 603: 598: 595: 594: 587: 581: 580: 577: 571: 570: 553: 547: 546: 543: 537: 536: 533: 529: 528: 517: 511: 510: 505: 501: 497: 493: 488: 485: 484: 480: 479: 477: 476: 473: 465: 464: 463: 460: 459: 457: 456: 452: 449: 448: 446: 442: 439: 438: 430: 429: 428: 425: 424: 422: 421: 408: 406: 394: 391: 390: 388: 387: 379: 377: 371: 370: 368: 367: 363: 361: 355: 354: 352: 351: 343: 335: 333: 325: 322: 321: 319: 318: 310: 308: 302: 301: 299: 298: 290: 288: 283: 280: 279: 273: 265: 264: 262: 261: 257: 255: 247: 246: 236: 228: 227: 225: 224: 216: 214: 208: 207: 205: 204: 196: 194: 188: 187: 185: 184: 176: 174: 168: 167: 165: 164: 156: 154: 148: 147: 145: 144: 136: 134: 127: 124: 123: 121: 120: 112: 110: 105: 102: 101: 97: 96: 92: 91: 85: 84: 81: 75: 74: 70: 69: 61: 60: 57: 56: 46: 15: 9: 6: 4: 3: 2: 5759: 5748: 5745: 5743: 5740: 5738: 5735: 5733: 5730: 5728: 5725: 5723: 5720: 5718: 5715: 5713: 5710: 5708: 5705: 5703: 5700: 5699: 5697: 5682: 5681: 5672: 5670: 5669: 5660: 5658: 5657: 5648: 5647: 5644: 5638: 5635: 5633: 5630: 5628: 5625: 5623: 5620: 5618: 5615: 5613: 5610: 5608: 5605: 5603: 5600: 5598: 5595: 5593: 5590: 5588: 5585: 5583: 5582: 5578: 5577: 5575: 5571: 5565: 5562: 5560: 5557: 5555: 5552: 5550: 5547: 5545: 5542: 5540: 5537: 5535: 5532: 5530: 5527: 5525: 5522: 5520: 5517: 5515: 5512: 5511: 5509: 5505: 5497: 5494: 5493: 5492: 5489: 5487: 5484: 5482: 5479: 5477: 5474: 5472: 5469: 5467: 5464: 5462: 5459: 5458: 5456: 5454: 5450: 5444: 5441: 5439: 5436: 5434: 5431: 5429: 5426: 5424: 5421: 5419: 5416: 5414: 5411: 5409: 5406: 5404: 5401: 5399: 5396: 5395: 5393: 5389: 5383: 5380: 5378: 5375: 5373: 5370: 5368: 5365: 5363: 5360: 5358: 5355: 5353: 5350: 5348: 5345: 5343: 5340: 5338: 5335: 5334: 5332: 5328: 5322: 5318: 5317: 5313: 5312: 5310: 5307: 5300: 5296: 5286: 5285: 5281: 5279: 5276: 5274: 5271: 5269: 5266: 5265: 5263: 5257: 5256: 5251: 5245: 5242: 5240: 5237: 5236: 5234: 5228: 5227: 5222: 5216: 5213: 5211: 5208: 5206: 5203: 5201: 5198: 5196: 5193: 5191: 5188: 5186: 5183: 5182: 5180: 5174: 5170: 5164: 5161: 5160: 5158: 5152: 5148: 5145: 5143: 5135: 5125: 5122: 5120: 5117: 5115: 5112: 5110: 5107: 5105: 5102: 5100: 5097: 5095: 5092: 5091: 5089: 5086: 5083: 5076: 5070: 5067: 5065: 5062: 5060: 5059:Round kumquat 5057: 5055: 5052: 5050: 5049:Meiwa kumquat 5047: 5045: 5042: 5041: 5039: 5035: 5032: 5029: 5025: 5019: 5016: 5014: 5011: 5010: 5008: 5006: 5002: 4996: 4995:Ichang papeda 4993: 4991: 4988: 4986: 4983: 4982: 4980: 4978: 4974: 4968: 4965: 4963: 4960: 4958: 4955: 4953: 4950: 4948: 4945: 4944: 4942: 4940: 4936: 4930: 4927: 4925: 4922: 4920: 4917: 4915: 4912: 4910: 4907: 4905: 4902: 4900: 4899:Balady citron 4897: 4896: 4894: 4892: 4888: 4882: 4879: 4877: 4874: 4872: 4869: 4867: 4864: 4862: 4859: 4857: 4854: 4852: 4849: 4847: 4844: 4842: 4839: 4837: 4834: 4832: 4829: 4827: 4826:Sweet limetta 4824: 4822: 4819: 4817: 4814: 4812: 4809: 4807: 4804: 4802: 4799: 4797: 4794: 4792: 4789: 4787: 4784: 4782: 4779: 4777: 4774: 4772: 4769: 4767: 4766:Rhobs el Arsa 4764: 4762: 4759: 4757: 4754: 4752: 4749: 4747: 4744: 4742: 4739: 4737: 4734: 4732: 4729: 4727: 4724: 4722: 4719: 4717: 4714: 4712: 4709: 4707: 4704: 4702: 4699: 4697: 4696:Nagpur orange 4694: 4692: 4689: 4687: 4684: 4682: 4679: 4677: 4674: 4672: 4669: 4667: 4664: 4662: 4659: 4657: 4654: 4652: 4649: 4647: 4644: 4642: 4641:LimĂłn de Pica 4639: 4637: 4634: 4632: 4629: 4627: 4624: 4622: 4619: 4617: 4614: 4612: 4609: 4607: 4604: 4602: 4599: 4597: 4594: 4592: 4589: 4587: 4584: 4582: 4579: 4577: 4574: 4572: 4569: 4567: 4564: 4562: 4559: 4557: 4554: 4552: 4549: 4547: 4544: 4542: 4539: 4537: 4534: 4532: 4529: 4527: 4524: 4522: 4519: 4517: 4514: 4512: 4509: 4507: 4504: 4502: 4499: 4497: 4494: 4492: 4489: 4487: 4484: 4482: 4479: 4477: 4474: 4472: 4469: 4467: 4464: 4462: 4459: 4457: 4454: 4452: 4449: 4447: 4444: 4442: 4439: 4437: 4434: 4432: 4429: 4427: 4424: 4422: 4419: 4417: 4414: 4412: 4409: 4407: 4406:Bitter orange 4404: 4402: 4399: 4397: 4394: 4392: 4389: 4387: 4384: 4382: 4379: 4378: 4376: 4374: 4368: 4360: 4355: 4352: 4350: 4347: 4345: 4342: 4340: 4337: 4336: 4334: 4332: 4327: 4321: 4318: 4316: 4313: 4311: 4308: 4306: 4305:Mangshanyegan 4303: 4301: 4298: 4296: 4293: 4291: 4288: 4286: 4285:Ichang papeda 4283: 4281: 4278: 4276: 4273: 4272: 4270: 4268: 4263: 4259: 4252: 4247: 4245: 4240: 4238: 4233: 4232: 4229: 4217: 4214: 4212: 4209: 4208: 4206: 4203: 4199: 4193: 4190: 4188: 4185: 4183: 4180: 4178: 4175: 4174: 4172: 4170: 4166: 4161: 4157: 4149: 4144: 4142: 4137: 4135: 4130: 4129: 4126: 4100: 4093: 4087: 4068: 4061: 4054: 4046: 4040: 4032: 4028: 4024: 4020: 4013: 3997: 3993: 3989: 3985: 3984:"Citric acid" 3979: 3977: 3968: 3964: 3960: 3956: 3955: 3947: 3939: 3935: 3931: 3927: 3920: 3912: 3908: 3904: 3900: 3893: 3885: 3881: 3877: 3873: 3866: 3858: 3854: 3850: 3846: 3842: 3838: 3834: 3830: 3826: 3819: 3808: 3801: 3795: 3780: 3776: 3769: 3754:. Focal Press 3753: 3746: 3728: 3721: 3715: 3707: 3703: 3698: 3693: 3689: 3685: 3681: 3677: 3673: 3669: 3665: 3658: 3642: 3636: 3628: 3624: 3620: 3616: 3612: 3608: 3605:(5): 573–88. 3604: 3600: 3592: 3584: 3580: 3575: 3570: 3566: 3562: 3557: 3552: 3548: 3544: 3540: 3533: 3525: 3521: 3515: 3507: 3503: 3499: 3495: 3491: 3487: 3483: 3479: 3475: 3471: 3467: 3459: 3451: 3447: 3443: 3439: 3435: 3431: 3427: 3420: 3412: 3408: 3404: 3400: 3393: 3387: 3383: 3379: 3373: 3365: 3363:9789251049495 3359: 3355: 3351: 3344: 3336: 3332: 3327: 3322: 3317: 3312: 3308: 3304: 3300: 3296: 3292: 3285: 3277: 3271: 3267: 3263: 3256: 3248: 3244: 3240: 3236: 3229: 3221: 3217: 3213: 3209: 3173: 3165: 3163:9780121818012 3159: 3155: 3151: 3147: 3146: 3138: 3131: 3122: 3114: 3108: 3100: 3096: 3092: 3088: 3084: 3080: 3076: 3072: 3064: 3055: 3051: 3047: 3043: 3039: 3035: 3031: 3027: 3020: 3013: 2997: 2993: 2987: 2971: 2967: 2960: 2952: 2948: 2944: 2940: 2936: 2932: 2928: 2924: 2917: 2915: 2906: 2898: 2897: 2889: 2881: 2875: 2871: 2870: 2862: 2854: 2848: 2844: 2840: 2836: 2835: 2827: 2825: 2823: 2821: 2805: 2801: 2800: 2792: 2784: 2780: 2776: 2769: 2761: 2757: 2752: 2747: 2743: 2739: 2735: 2731: 2727: 2720: 2712: 2706: 2702: 2695: 2679: 2675: 2669: 2667: 2665: 2657: 2655: 2650: 2645: 2643: 2641: 2632: 2628: 2624: 2620: 2616: 2612: 2608: 2604: 2596: 2580: 2574: 2558: 2552: 2545: 2541: 2536: 2534: 2532: 2530: 2528: 2526: 2519: 2515: 2510: 2508: 2506: 2504: 2502: 2500: 2483: 2479: 2475: 2474:"citric acid" 2469: 2467: 2465: 2463: 2461: 2459: 2457: 2450: 2446: 2441: 2433: 2427: 2423: 2419: 2415: 2411: 2407: 2401: 2399: 2394: 2380: 2376: 2367: 2366:Acids in wine 2364: 2361: 2357: 2356:aconitic acid 2353: 2349: 2348: 2340: 2337: 2335: 2332: 2331: 2325: 2323: 2312: 2310: 2306: 2263: 2262: 2261: 2259: 2258:sulfuric acid 2255: 2254:Aconitic acid 2251: 2247: 2246:itaconic acid 2237: 2235: 2231: 2229: 2226: 2221: 2219: 2215: 2213: 2209: 2205: 2201: 2196: 2194: 2190: 2185: 2183: 2178: 2176: 2172: 2171:white vinegar 2167: 2165: 2161: 2157: 2147: 2144: 2142: 2137: 2135: 2130: 2127: 2117: 2115: 2112: 2107: 2105: 2101: 2098:, during the 2097: 2093: 2089: 2085: 2081: 2072: 2063: 2061: 2060:food coloring 2057: 2053: 2049: 2045: 2041: 2037: 2031: 2029: 2025: 2021: 2017: 2014: 2010: 2002: 1997: 1983: 1981: 1976: 1974: 1970: 1966: 1962: 1957: 1955: 1951: 1947: 1943: 1939: 1935: 1925: 1923: 1919: 1915: 1911: 1910:aconitic acid 1907: 1903: 1899: 1895: 1891: 1887: 1883: 1877: 1862: 1860: 1856: 1851: 1807: 1803: 1799: 1794: 1792: 1788: 1784: 1782: 1781:citrus fruits 1777: 1774: 1766: 1759: 1754: 1752: 1748: 1744: 1740: 1732: 1728: 1719: 1717: 1712: 1710: 1705: 1700: 1698: 1697:precipitating 1694: 1690: 1686: 1683:, hydrolyzed 1682: 1678: 1674: 1670: 1667:are fed on a 1666: 1662: 1658: 1654: 1653: 1647: 1645: 1642: 1641: 1636: 1632: 1631:sulfuric acid 1628: 1624: 1620: 1615: 1613: 1608: 1606: 1602: 1597: 1593: 1589: 1588:citrus fruits 1580: 1571: 1509: 1505: 1501: 1497: 1493: 1489: 1485: 1480: 1478: 1474: 1470: 1466: 1461: 1459: 1455: 1451: 1447: 1443: 1442:citrus fruits 1439: 1436: 1433: 1412: 1409: 1406: 1402: 1398: 1394: 1382: 1376: 1370: 1366: 1363: 1360: 1357: 1356: 1348: 1344: 1335: 1334: 1330: 1326: 1322: 1320: 1317: 1316: 1312: 1309: 1303: 1302: 1298: 1296: 1293: 1292: 1285: 1278: 1271: 1247: 1244: 1243: 1239: 1238: 1232: 1229: 1225: 1224: 1210: 1207: 1203: 1202: 1199: 1196: 1193: 1189: 1188: 1184: 1179: 1175: 1172: 1168: 1167: 1163: 1161: 1156: 1152: 1147: 1146: 1142: 1141: 1136: 1131: 1126: 1121: 1118: 1115: 1111: 1110: 1107:Pharmacology 1105: 1095: 1091: 1087: 1086: 1078: 1070: 1062: 1056: 1055: 1047: 1039: 1034: 1028: 1027: 1015: 1010: 1005: 1004:Heat capacity 1001: 1000: 995: 991: 988: 984: 983: 978: 966: 964: 961: 960: 946: 939: 935: 931: 930: 923: 914: 905: 896: 892: 886: 882: 879: 878: 874: 872: 871: 866: 865: 853: 851: 847: 844: 843: 831: 829: 828:diethyl ether 825: 822: 821: 809: 807: 803: 800: 799: 787: 785: 781: 778: 777: 774: 770: 763: 756: 734:Insoluble in 732: 728: 727:ethyl acetate 724: 720: 716: 712: 710: 707: 706: 604: 601: 597: 596: 588: 586: 585:Boiling point 583: 582: 578: 576: 575:Melting point 573: 572: 554: 552: 549: 548: 544: 542: 539: 538: 534: 531: 530: 518: 516: 513: 512: 494: 491: 487: 486: 481: 472: 471: 468: 461: 447: 437: 436: 433: 426: 418: 414: 413:DTXSID3020332 410: 409: 407: 397: 393: 392: 385: 381: 380: 378: 376: 373: 372: 365: 364: 362: 360: 357: 356: 348: 344: 341: 337: 336: 334: 328: 324: 323: 316: 312: 311: 309: 307: 304: 303: 296: 292: 291: 289: 286: 282: 281: 278: 274: 272: 267: 266: 259: 258: 256: 254: 249: 248: 244: 240: 237: 235: 233:ECHA InfoCard 230: 229: 222: 218: 217: 215: 213: 210: 209: 202: 198: 197: 195: 193: 190: 189: 182: 178: 177: 175: 173: 170: 169: 162: 158: 157: 155: 153: 150: 149: 142: 138: 137: 135: 131: 126: 125: 118: 114: 113: 111: 108: 104: 103: 98: 90: 86: 80: 76: 71: 67: 62: 51: 47: 41: 37: 36: 32: 26: 22: 21:FS Class E330 5678: 5666: 5654: 5579: 5539:Robert Soost 5491:Phytophthora 5471:CTV/Tristeza 5402: 5377:Yuja-hwachae 5372:Orange juice 5314: 5305: 5282: 5253: 5224: 5172: 5150: 5109:Mandarinquat 5099:Citrangequat 5054:Oval kumquat 4919:Greek citron 4731:Persian lime 4591:Khasi papeda 4541:Jaffa orange 4456:Coorg orange 4416:Blood orange 4359:sweet orange 4210: 4204:preparations 4187:Pancrelipase 4106:. Retrieved 4099:the original 4086: 4074:. Retrieved 4067:the original 4053: 4039: 4022: 4018: 4012: 4002:September 9, 4000:. Retrieved 3996:the original 3987: 3958: 3952: 3946: 3929: 3925: 3919: 3902: 3898: 3892: 3875: 3871: 3865: 3832: 3828: 3818: 3807:the original 3794: 3782:. Retrieved 3778: 3768: 3756:. Retrieved 3745: 3734:. Retrieved 3727:the original 3714: 3671: 3667: 3657: 3645:. Retrieved 3635: 3602: 3598: 3591: 3546: 3542: 3532: 3524:www.astm.org 3523: 3514: 3473: 3469: 3458: 3436:(35): 2494. 3433: 3429: 3419: 3402: 3398: 3392: 3377: 3372: 3349: 3343: 3298: 3294: 3284: 3266:Biochemistry 3265: 3255: 3238: 3234: 3228: 3211: 3207: 3172: 3144: 3130: 3121: 3107: 3074: 3070: 3063: 3029: 3025: 3012: 3000:. Retrieved 2995: 2986: 2981:(US 4056567) 2973:. Retrieved 2969: 2959: 2926: 2922: 2913: 2905: 2895: 2888: 2868: 2861: 2832: 2807:. Retrieved 2798: 2791: 2782: 2778: 2768: 2733: 2729: 2719: 2703:. Springer. 2700: 2694: 2684:December 19, 2682:. Retrieved 2678:the original 2652: 2606: 2602: 2595: 2583:. Retrieved 2573: 2561:. Retrieved 2551: 2486:. Retrieved 2482:the original 2478:chemister.ru 2477: 2440: 2409: 2379: 2322:tooth enamel 2318: 2303: 2243: 2232: 2222: 2216: 2197: 2186: 2179: 2168: 2153: 2145: 2138: 2131: 2123: 2108: 2077: 2043: 2040:effervescent 2032: 2015: 2006: 2001:lemon pepper 1986:Applications 1977: 1958: 1934:mitochondria 1931: 1902:oxaloacetate 1893: 1889: 1885: 1879: 1865:Biochemistry 1852: 1795: 1785: 1778: 1755: 1736: 1713: 1701: 1689:carbohydrate 1664: 1650: 1648: 1638: 1619:citrus fruit 1616: 1609: 1585: 1483: 1481: 1462: 1446:biochemistry 1438:organic acid 1392: 1391: 1328: 1306:Autoignition 1241: 1197: 1159: 1149:Main hazards 1138: 1068: 1037: 1008: 937: 921: 918:= 6.39, 6.40 912: 903: 894: 884: 869: 806:amyl acetate 535:white solid 359:RTECS number 100:Identifiers 29:Citric acid 25: 5607:Hesperidium 5403:Citric acid 5173:Microcitrus 5163:Desert lime 5151:Eromocitrus 5114:Procimequat 4957:Nanfengmiju 4866:Winged lime 4846:Tsunonozomi 4821:Sweet lemon 4816:Suruga yuko 4801:Shonan Gold 4771:Rough lemon 4671:Meyer lemon 4606:Kishu mikan 4566:Kakadu lime 4491:Ginger lime 4391:Assam lemon 4290:Kaffir lime 4211:Citric acid 4076:February 4, 3235:Tetrahedron 3002:October 28, 2701:Citric acid 2649:Citric acid 2585:January 11, 2563:January 11, 2544:Citric acid 2212:acetic acid 2189:passivation 2096:lanthanides 1954:malonyl-CoA 1743:monohydrate 1685:corn starch 1640:Penicillium 1637:discovered 1633:. In 1893, 1599:0.005  1393:Citric acid 1343:median dose 1329:Lethal dose 1308:temperature 1295:Flash point 1192:Signal word 1143:(OHS/OSH): 992:Monoclinic 850:1,4-dioxane 713:Soluble in 532:Appearance 483:Properties 239:100.000.973 161:CHEBI:30769 82:Citric acid 5722:Condiments 5696:Categories 5668:Production 5461:Black spot 5428:Orange oil 5140:and Papuan 5138:Australian 4516:Hyuganatsu 4511:Heen naran 4451:Clementine 4421:Byeonggyul 4411:Blood lime 4339:Grapefruit 4182:Pancreatin 4108:4 February 3899:Org. Synth 3872:Org. Synth 3758:January 1, 3736:2013-01-01 3549:(4): 863. 3476:: 100895. 2785:: 105–109. 2390:References 2150:Other uses 2088:hard water 2052:bath bombs 2048:bath salts 1982:crystals. 1965:glycolysis 1938:acetyl-CoA 1892:arboxylic 1855:esterified 1787:Acid salts 1751:decomposes 1731:Speciation 1693:suspension 1494:, and the 1454:metabolism 1430:. It is a 1171:Pictograms 1052:J/(mol·K) 980:Structure 846:Solubility 824:Solubility 802:Solubility 780:Solubility 709:Solubility 515:Molar mass 384:XF417D3PSL 285:IUPHAR/BPS 192:ChemSpider 181:ChEMBL1261 128:3D model ( 107:CAS Number 79:IUPAC name 5496:citricola 5486:Mal secco 5476:Exocortis 5304:properly 5255:Oxanthera 5094:Calamansi 4962:Tachibana 4836:Tangerine 4796:Shangjuan 4721:Oroblanco 4676:Micrantha 4561:Kaji Nemu 4446:Citrumelo 4401:Bizzarria 4373:cultivars 3849:0022-5347 3784:August 2, 3773:PubChem. 3688:0272-6386 3565:1420-3049 3543:Molecules 3506:219432688 3498:2352-1864 3450:0009-2347 3071:Biometals 2975:August 4, 2623:0966-0844 2603:BioMetals 2445:CID 22230 2225:soldering 2200:stop bath 2175:acid dyes 2156:buffering 2126:acidulant 2111:passivate 2084:limescale 2003:seasoning 1906:aconitase 1739:anhydrous 1635:C. Wehmer 1473:flavoring 1469:acidifier 1432:colorless 1399:with the 1162:labelling 1061:formation 1031:Std molar 963:Viscosity 953:1.46 (150 545:Odorless 366:GE7350000 260:201-069-1 252:EC Number 5702:Citrates 5656:Category 5627:Orangery 5481:Greening 5453:Diseases 5433:Orangeat 5413:Limonene 5408:Lemonene 5391:Products 5382:Yuja tea 5362:Lemonade 5316:Poncirus 5302:(perhaps 5226:Clymenia 5124:Yuzuquat 5104:Limequat 5028:Kumquats 5018:Dangyuja 5013:Banpeiyu 4952:ShÄ«kwāsā 4781:Sanbokan 4701:Nasnaran 4666:Melogold 4586:Key lime 4441:Citrange 4431:Cam sĂ nh 4386:Amanatsu 4177:Diastase 3706:23932089 3619:11419488 3583:29642579 3352:. Rome: 3335:21127269 3099:11615864 3091:19288211 3054:94614267 2951:17317159 2760:18290732 2631:19288211 2408:(2014). 2345:See also 2284:CCH=C(CO 2280:H → HO 2013:E number 1844:·2H 1681:molasses 1605:cultivar 1508:trianion 1242:NFPA 704 1133:Hazards 1128:) 1114:ATC code 973:aq. sol. 971:cP (50% 699:w/w (100 565:g/cm (18 270:E number 212:DrugBank 5680:Commons 5438:Succade 5367:Limeade 5347:Curaçao 5119:Sunquat 5005:Pomelos 4977:Papedas 4891:Citrons 4831:Tangelo 4811:Sudachi 4776:Samuyao 4756:Rangpur 4711:ƌgonkan 4686:Murcott 4656:Mandora 4651:Mandelo 4626:Komikan 4501:Hassaku 4466:Dekopon 4426:Biasong 4331:hybrids 4267:species 4169:Enzymes 4156:enzymes 3857:1507355 3697:3946919 3627:8516420 3574:6017965 3478:Bibcode 3326:3012505 3303:Bibcode 3034:Bibcode 2931:Bibcode 2809:June 4, 2751:2637791 2518:PubChem 2514:CID 311 2488:June 1, 2449:PubChem 2296:H + H 2276:C(OH)CO 2030:(USP). 1980:apatite 1916:(ATP). 1810:[NH 1760:, with 1747:ethanol 1673:glucose 1669:sucrose 1484:citrate 1456:of all 1198:Warning 1122: ( 1120:A09AB04 1083:kJ/mol 1079:−1543.8 1033:entropy 927:= 14.4 881:Acidity 784:ethanol 773:toluene 719:alcohol 715:acetone 689:w/w (90 679:w/w (80 669:w/w (70 659:w/w (60 649:w/w (50 639:w/w (40 629:w/w (30 619:w/w (20 609:w/w (10 551:Density 519:192.123 509: 327:PubChem 221:DB04272 117:77-92-9 5717:Citrus 5466:Canker 5418:Neroli 5342:ChĆ«hai 5330:Drinks 5306:Citrus 4841:Tangor 4791:Setoka 4761:Reikou 4751:Ponkan 4741:Pompia 4631:Laraha 4611:Kiyomi 4601:Kinnow 4576:Kanpei 4556:Kabosu 4551:Kabbad 4536:Jabara 4531:Iyokan 4506:Hebesu 4496:Haruka 4471:Encore 4461:Daidai 4381:Alemow 4354:Orange 4329:Major 4315:Pomelo 4280:Citron 4258:Citrus 4192:Pepsin 3905:: 28. 3878:: 70. 3855:  3847:  3704:  3694:  3686:  3647:May 8, 3625:  3617:  3581:  3571:  3563:  3504:  3496:  3448:  3360:  3333:  3323:  3272:  3160:  3097:  3089:  3052:  2949:  2876:  2849:  2758:  2748:  2707:  2629:  2621:  2428:  2358:, and 2315:Safety 2141:heroin 2092:eluant 2056:grease 1657:Pfizer 1592:Lemons 1560:O(COO) 1492:esters 1475:, and 1395:is an 1367:(PDF) 1361:(SDS) 1351:  1100:kJ/mol 1098:  1081:  1050:  1022:  1018:  1016:226.51 969:  955:  949:  909:= 4.76 900:= 3.13 875:−1.64 860:  856:  838:  834:  816:  812:  794:  790:  701:  697:  691:  687:  681:  677:  671:  667:  661:  657:  651:  647:  641:  637:  631:  627:  621:  617:  611:  607:  591:  567:  563:  557:  525:  521:  467:SMILES 315:D00037 172:ChEMBL 73:Names 5030:group 4646:Lumia 4571:Kalpi 4344:Lemon 4265:True 4102:(PDF) 4095:(PDF) 4070:(PDF) 4063:(PDF) 3992:NIOSH 3961:: 5. 3932:: 1. 3810:(PDF) 3803:(PDF) 3730:(PDF) 3723:(PDF) 3623:S2CID 3502:S2CID 3140:(PDF) 3095:S2CID 3050:S2CID 3022:(PDF) 2919:(PDF) 2516:from 2447:from 1601:mol/L 1596:limes 1488:salts 1444:. 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Index

FS Class E330
Stereo skeletal formula of citric acid
Ball-and-stick model of citric acid
Crystal sample from the saturated citric acid solution.
IUPAC name
Preferred IUPAC name
CAS Number
77-92-9
JSmol
Interactive image
ChEBI
CHEBI:30769
ChEMBL
ChEMBL1261
ChemSpider
305
DrugBank
DB04272
ECHA InfoCard
100.000.973
Edit this at Wikidata
EC Number
E number
(antioxidants, ...)
IUPHAR/BPS
2478
KEGG
D00037
PubChem
311

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