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Mercury(II) fulminate
Mercury(II) fulminate (Hg(ONC)2) is a primary explosive. It is highly sensitive to friction and shock. It is mainly used as a trigger for other explosives in percussion caps and blasting caps. Mercury(II) cyanate, though its formula is identical, has a different atomic arrangement; cyanate and fulminate are isomers. Additional recommended knowledgeToday mercury fulminate tends to be replaced by other primary explosives which are less toxic and more stable over time: lead azide, lead styphnate and tetrazene derivatives. Used in percussion caps, this compound quickly replaced flints as a means to ignite a black powder charge in a firearm. PreparationIt is prepared by dissolving mercury in nitric acid and adding ethanol to the solution. It was first prepared by Edward Charles Howard in 1800.[1] Silver fulminate can be prepared in a similar way, but this salt is even more unstable than mercury fulminate. It can even explode under water. References
Categories: Mercury compounds | Fulminates | Explosive chemicals | Organometallic compounds |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Mercury(II)_fulminate". A list of authors is available in Wikipedia. |