54:
889:
170:, '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
522:
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
270:
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
259:. 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
217:
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
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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
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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.
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499:: 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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171:
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670:
202:
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111:
8:
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DOE | Office of Health, Safety and
Security | Nuclear Safety and Environment | Plutonium
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246:
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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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35:
883:
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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222:
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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
41:"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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205:, in which two compounds spontaneously ignite when mixed.
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Powder metallurgy: science, technology and applications
493:(especially hazardous because of the adsorbed hydrogen)
27:
Tendency of a chemical compound to ignite in open air
263:, is used to extract the liquid from its container.
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Pyrophoric lead composition and method of making it
182:as well and will ignite when they contact water or
78:. Unsourced material may be challenged and removed.
186:air. They can be handled safely in atmospheres of
737:
932:
403:(diethylethoxyaluminium, dichloro(methyl)silane)
225:; starting fires without matches, using a
911:. University of Minnesota. Archived from
806:
138:Learn how and when to remove this message
509:powders produced from decomposition of
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14:
933:
698:is only pyrophoric if impure, with P
381:Some metals and alloys in bulk form (
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738:N. Pradeep Sharma (September 1998),
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518:, as shown in the disintegration of
76:adding citations to reliable sources
47:
24:
541:Petroleum hydrocarbon (PHC) sludge
536:United States Department of Energy
25:
962:
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809:The Journal of Physical Chemistry
769:Angelo & Subramanian (2008),
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608:; rags soaked in linseed oil can
178:. Pyrophoric materials are often
52:
909:Environmental Health and Safety
447:), with a few exceptions (i.e.
63:needs additional citations for
890:"List of pyrophoric materials"
866:, retrieved 3 September 2013;
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843:, retrieved 3 September 2013;
827:
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725:GHS, seventh revised version.
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688:
13:
1:
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902:"Pyrophoric Chemicals Guide"
630:, but not truly pyrophoric.
475:(compounds of the form RMgX)
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7:
559:of main group metals (e.g.
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233:mechanism in firearms; and
190:or (with a few exceptions)
10:
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545:
244:
160:
40:
29:
744:, Gyan Publishing House,
426:lithium aluminium hydride
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280:lithium aluminium hydride
633:
221:and various toys, using
30:Not to be confused with
741:Dictionary Of Chemistry
326:Finely divided metals (
253:polytetrafluoroethylene
208:
172:organolithium compounds
320:, including the alloy
870:on 28 September 2010.
671:dicobalt octacarbonyl
530:Several compounds of
461:fuel cell catalysts (
951:Pyrophoric materials
624:dinitrogen tetroxide
290:Pyrophoric materials
72:improve this article
941:Chemical properties
821:10.1021/j100877a023
622:with oxidants like
487:palladium on carbon
43:Pyrophorus (beetle)
918:on 31 October 2014
862:2015-02-21 at the
847:on 24 August 2010.
839:2015-02-21 at the
437:trimethylaluminium
430:uranium trihydride
407:Potassium graphite
247:Air-free technique
199:fire extinguishers
682:Explanatory notes
628:hydrogen peroxide
601:Triethylaluminium
473:Grignard reagents
441:triethylaluminium
148:
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16:(Redirected from
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892:. Archived from
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815:(5): 1478–1482.
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497:Iron(II) sulfide
301:White phosphorus
237:ferrous metals.
213:The creation of
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667:Metal carbonyls
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467:aluminium oxide
449:dimethylmercury
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150:A substance is
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87:"Pyrophoricity"
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896:on 2015-07-09.
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583:Triethylborane
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422:sodium hydride
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284:sodium hydride
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176:triethylborane
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36:Porphyriticity
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591:-Butyllithium
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83:Find sources:
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61:This article
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920:. Retrieved
913:the original
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511:lead citrate
491:Raney nickel
445:butyllithium
399:or nonmetal
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70:Please help
65:verification
62:
946:Fire making
610:self-ignite
606:Linseed oil
596:Diethylzinc
552:Diphosphane
276:hydrocarbon
274:or lighter
272:mineral oil
223:ferrocerium
935:Categories
885:(archived)
714:References
620:hypergolic
538:facilities
463:zinc oxide
245:See also:
167:pyrophoros
152:pyrophoric
98:newspapers
18:Pyrophoric
649:phosphine
639:Nonmetal
616:Hydrazine
561:aluminium
532:plutonium
526:Neptunium
483:catalysts
397:alkoxides
393:Alkylated
387:plutonium
376:neodymium
344:zirconium
336:magnesium
332:aluminium
310:potassium
268:glove box
261:inert gas
231:flintlock
227:firesteel
161:πυροφόρος
128:July 2019
32:Porphyria
922:27 March
868:archived
860:Archived
845:archived
837:Archived
706:present.
653:diborane
641:hydrides
485:such as
418:hydrides
356:tungsten
352:titanium
314:rubidium
241:Handling
219:lighters
192:nitrogen
657:germane
579:, etc.)
577:cadmium
565:gallium
546:Liquids
516:Uranium
401:halides
368:thorium
364:hafnium
360:bismuth
348:uranium
340:calcium
318:caesium
255:-lined
196:Class D
112:scholar
748:
661:silane
645:arsine
569:indium
507:carbon
459:Copper
416:Metal
395:metal
383:cerium
372:osmium
295:Solids
257:septum
229:; the
215:sparks
154:(from
114:
107:
100:
93:
85:
916:(PDF)
905:(PDF)
634:Gases
478:Used
188:argon
184:humid
156:Greek
119:JSTOR
105:books
924:2021
746:ISBN
589:tert
573:zinc
505:and
503:Lead
451:and
328:iron
282:and
209:Uses
174:and
91:news
817:doi
626:or
618:is
489:or
409:(KC
322:NaK
74:by
34:or
937::
907:.
813:70
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