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Mercury(II) fulminate, or Hg(CNO) 2, is a primary explosive. It is highly sensitive to friction, heat and shock and is mainly used as a trigger for other explosives in percussion caps and detonators. Mercury(II) cyanate, though its chemical formula is identical, has a different atomic arrangement, making the cyanate and fulminate anionic isomers.
Fulminates were discovered by Edward Charles Howard in 1800. [1] [2] [3] The use of fulminates for firearms was first demonstrated by a Scottish minister, Alexander John Forsyth, who patented his scent-bottle lock in 1807; this was a small container filled with fulminate of mercury.
mercury(II) perchlorate: 73491–34–6 HgF 2: mercury(II) fluoride: 7783–39–3 HgH 2: mercury(II) hydride: 72172–67–9 Hg(IO 3) 2: mercury(II) iodate: 7783–32–6 HgI 2: mercury(II) iodide: 7774–29–0 Hg(NO 3) 2: mercury(II) nitrate: 10045–94–0 HgO: mercury(II) oxide: 21908–53–2 Hg(ONC) 2: mercury(II) fulminate: 628–86–4 ...
HMTD is a more powerful initiating explosive than mercury fulminate, but its poor thermal and chemical stability prevents its use in detonators. [6] Nevertheless, HMTD is one of the three most widely used primary explosives in improvised, amateur made blasting caps, the others being TATP and silver acetylide.
A "hammer" which also had half-cock (for loading and applying the cap) and full-cock positions replaced the cock. When released by pulling the trigger, the hammer would strike the cap, crushing it against the nipple. The percussion cap was a thin metal cup that contained a small quantity of pressure-sensitive explosive, often mercury fulminate.
Mercury is a chemical element; it has symbol Hg and atomic number 80. ... Mercury fulminate is a detonator widely used in explosives. [13] Organomercury compounds
Mercury(II) fulminate; P. Platinum fulminate; Potassium fulminate; S. Silver fulminate This page was last edited on 28 March 2013, at 22:37 (UTC). Text is ...
Mercury fulminate Potassium chlorate Antimony trisulfide: Primer cap composition: Army: Bakufun: Mk I and Mk III powders are ammunition primers, Mk II is a fuze primer Potassium chlorate Antimony trisulfide: Primer cap composition: Both-Most common mixture for fuze primers Mercury fulminate: Initiator in fuzes and blasting caps: Both: Raikoo ...