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Potassium fulminate

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Potassium fulminate

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Potassium fulminate
Names
${\ce {\mathsf {K+^{-}C{\equiv }{\overset {+}{N}}-O^{-}}}}$

IUPAC name Potassium oxidoazaniumylidynemethane
Identifiers
CAS Number	15736-99-9^N
3D model (JSmol)	Interactive image
ChemSpider	9541865^Y
PubChem CID	15975309
CompTox Dashboard (EPA)	DTXSID00580534
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
SMILES [K+].[C-]#[N+][O-]
Properties
Chemical formula	CKNO
Molar mass	81.115 g·mol⁻¹
Density	1.8 g/cm³
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Explosive
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) 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, it is much less sensitive due to the ionic bond between potassium and carbon, unlike the weaker covalent bond between mercury and carbon.

See also