Potassium fulminate

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Potassium fulminate

IUPAC name Potassium oxidoazaniumylidynemethane
Identifiers
CAS number	15736-99-9
ChemSpider	9541865^Y
Jmol-3D images	{{#if:[K+].[C-]#[N+][O-]\|Image 1
SMILES [K+].[C-]#[N+][O-]
InChI InChI=1S/CNO.K/c1-2-3;/q-1;+1^Y Key: LOMWRVTZROPEGG-UHFFFAOYSA-N^Y InChI=1/CNO.K/c1-2-3;/q-1;+1 Key: LOMWRVTZROPEGG-UHFFFAOYAS
Properties
Molecular formula	CKNO
Molar mass	81.12 g mol⁻¹
Hazards
Main hazards	Explosive
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Potassium fulminate is the potassium salt of the fulminate ion. Its only use, aside from chemical demonstrations, is in the percussion caps for some early rifles. Usually prepared by reacting a potassium amalgam with mercury fulminate,^[1] it is much less sensitive due to the ionic bond between potassium and carbon, unlike the weaker covalent bond between mercury and carbon.

References

↑ Z. Iqbal and A. D. Yoffe (1967). "Electronic Structure and Stability of the Inorganic Fulminates". Proceedings of the Royal Society of London 302 (1468): 35–49. doi:10.1098/rspa.1967.0225.

Potassium compounds

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