43:
878:
159:, 'fire-bearing') if it ignites spontaneously in air at or below 54 °C (129 °F) (for gases) or within 5 minutes after coming into contact with air (for liquids and solids). Examples are
511:
penetrator rounds into burning dust upon impact with their targets; in finely divided form it is readily ignitable, and uranium scrap from machining operations is subject to spontaneous ignition
259:
flushed with inert gas. Since these specialized glove boxes are expensive and require specialized and frequent maintenance, many pyrophoric solids are sold as solutions, or dispersions in
248:. Larger amounts are supplied in metal tanks similar to gas cylinders, designed so a needle can fit through the valve opening. A syringe, carefully dried and flushed of air with an
206:
from metals is based on the pyrophoricity of small metal particles, and pyrophoric alloys are made for this purpose. Practical applications include the sparking mechanisms in
267:
solvents, so they can be handled in the atmosphere of the laboratory, while still maintaining an oxygen- and moisture-free environment. Mildly pyrophoric solids such as
275:
can be handled in the air for brief periods of time, but the containers must be flushed with inert gas before the material is returned to the container for storage.
856:
871:
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488:: often encountered in oil and gas facilities, where corrosion products in steel plant equipment can ignite if exposed to air
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https://www.unece.org/fileadmin/DAM/trans/danger/publi/ghs/ghs_rev07/English/ST_SG_AC10_30_Rev7e.pdf
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Partially or fully alkylated derivatives of metal and nonmetal hydrides (diethylaluminium hydride,
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53:
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160:
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659:
191:
934:
612:
100:
8:
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31:
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DOE | Office of Health, Safety and
Security | Nuclear Safety and Environment | Plutonium
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235:
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DOE | Office of Health, Safety and
Security | Nuclear Safety and Environment | Uranium
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are designated for use in fires involving pyrophoric materials. A related concept is
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Small amounts of pyrophoric liquids are often supplied in a glass bottle with a
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144:
24:
872:
US Dept. of Energy
Handbook, "Primer on Spontaneous Heating and Pyrophoricity"
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are pyrophoric, and they cause some of the most serious fires occurring in
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Powders of aluminium, iron and magnesium are highly pyrophoric in nature
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When working with pyrophoric solids, researchers often employ a sealed
30:"Pyrophorus" redirects here. For the bioluminescent beetle genus, see
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Charles J (1966). "The
Reaction of Pyrophoric Lead with Oxygen".
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C.W. Corti et al. / Applied
Catalysis A: General 291 (2005) 257
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194:, in which two compounds spontaneously ignite when mixed.
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Powder metallurgy: science, technology and applications
482:(especially hazardous because of the adsorbed hydrogen)
16:
Tendency of a chemical compound to ignite in open air
252:, is used to extract the liquid from its container.
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Pyrophoric lead composition and method of making it
171:as well and will ignite when they contact water or
67:. Unsourced material may be challenged and removed.
175:air. They can be handled safely in atmospheres of
726:
921:
392:(diethylethoxyaluminium, dichloro(methyl)silane)
214:; starting fires without matches, using a
900:. University of Minnesota. Archived from
795:
127:Learn how and when to remove this message
498:powders produced from decomposition of
278:
922:
687:is only pyrophoric if impure, with P
370:Some metals and alloys in bulk form (
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751:
749:
727:N. Pradeep Sharma (September 1998),
670:
507:, as shown in the disintegration of
65:adding citations to reliable sources
36:
13:
530:Petroleum hydrocarbon (PHC) sludge
525:United States Department of Energy
14:
951:
865:
798:The Journal of Physical Chemistry
758:Angelo & Subramanian (2008),
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597:; rags soaked in linseed oil can
167:. Pyrophoric materials are often
41:
898:Environmental Health and Safety
436:), with a few exceptions (i.e.
52:needs additional citations for
879:"List of pyrophoric materials"
855:, retrieved 3 September 2013;
839:
832:, retrieved 3 September 2013;
816:
789:
778:
769:
720:
714:GHS, seventh revised version.
708:
677:
1:
702:
891:"Pyrophoric Chemicals Guide"
619:, but not truly pyrophoric.
464:(compounds of the form RMgX)
155:
7:
548:of main group metals (e.g.
229:
222:mechanism in firearms; and
179:or (with a few exceptions)
10:
956:
534:
233:
149:
29:
18:
733:, Gyan Publishing House,
415:lithium aluminium hydride
283:
269:lithium aluminium hydride
622:
210:and various toys, using
19:Not to be confused with
730:Dictionary Of Chemistry
315:Finely divided metals (
242:polytetrafluoroethylene
197:
161:organolithium compounds
309:, including the alloy
859:on 28 September 2010.
660:dicobalt octacarbonyl
519:Several compounds of
450:fuel cell catalysts (
940:Pyrophoric materials
613:dinitrogen tetroxide
279:Pyrophoric materials
61:improve this article
930:Chemical properties
810:10.1021/j100877a023
611:with oxidants like
476:palladium on carbon
32:Pyrophorus (beetle)
907:on 31 October 2014
851:2015-02-21 at the
836:on 24 August 2010.
828:2015-02-21 at the
426:trimethylaluminium
419:uranium trihydride
396:Potassium graphite
236:Air-free technique
188:fire extinguishers
671:Explanatory notes
617:hydrogen peroxide
590:Triethylaluminium
462:Grignard reagents
430:triethylaluminium
137:
136:
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111:
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912:
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881:. Archived from
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804:(5): 1478–1482.
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509:depleted uranium
486:Iron(II) sulfide
290:White phosphorus
226:ferrous metals.
202:The creation of
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664:nickel carbonyl
656:Metal carbonyls
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456:aluminium oxide
438:dimethylmercury
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139:A substance is
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76:"Pyrophoricity"
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35:
28:
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12:
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885:on 2015-07-09.
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572:Triethylborane
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442:tetraethyllead
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411:sodium hydride
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273:sodium hydride
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169:water-reactive
165:triethylborane
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25:Porphyriticity
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683:Phosphine, PH
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580:-Butyllithium
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78: –
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72:Find sources:
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50:This article
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26:
22:
909:. Retrieved
902:the original
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883:the original
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500:lead citrate
480:Raney nickel
434:butyllithium
388:or nonmetal
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114:
104:
97:
90:
83:
71:
59:Please help
54:verification
51:
935:Fire making
599:self-ignite
595:Linseed oil
585:Diethylzinc
541:Diphosphane
265:hydrocarbon
263:or lighter
261:mineral oil
212:ferrocerium
924:Categories
874:(archived)
703:References
609:hypergolic
527:facilities
452:zinc oxide
234:See also:
156:pyrophoros
141:pyrophoric
87:newspapers
638:phosphine
628:Nonmetal
605:Hydrazine
550:aluminium
521:plutonium
515:Neptunium
472:catalysts
386:alkoxides
382:Alkylated
376:plutonium
365:neodymium
333:zirconium
325:magnesium
321:aluminium
299:potassium
257:glove box
250:inert gas
220:flintlock
216:firesteel
150:πυροφόρος
117:July 2019
21:Porphyria
911:27 March
857:archived
849:Archived
834:archived
826:Archived
695:present.
642:diborane
630:hydrides
474:such as
407:hydrides
345:tungsten
341:titanium
303:rubidium
230:Handling
208:lighters
181:nitrogen
646:germane
568:, etc.)
566:cadmium
554:gallium
535:Liquids
505:Uranium
390:halides
357:thorium
353:hafnium
349:bismuth
337:uranium
329:calcium
307:caesium
244:-lined
185:Class D
101:scholar
737:
650:silane
634:arsine
558:indium
496:carbon
448:Copper
405:Metal
384:metal
372:cerium
361:osmium
284:Solids
246:septum
218:; the
204:sparks
143:(from
103:
96:
89:
82:
74:
905:(PDF)
894:(PDF)
623:Gases
467:Used
177:argon
173:humid
145:Greek
108:JSTOR
94:books
913:2021
735:ISBN
578:tert
562:zinc
494:and
492:Lead
440:and
317:iron
271:and
198:Uses
163:and
80:news
806:doi
615:or
607:is
478:or
398:(KC
311:NaK
63:by
23:or
926::
896:.
802:70
800:.
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640:,
636:,
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183:.
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812:.
808::
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691:H
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666:)
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400:8
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34:.
27:.
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