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Mercury(II) fulminate

Chemical compound
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. Wikipedia
Formula: Hg(CNO)2
Molar mass: 284.624 g/mol
Density: 4.43 g/cm³
Boiling point: 356.6 °C (673.9 °F; 629.8 K)
Detonation velocity: 4250 m/s
Friction sensitivity: High
Solubility: soluble in ethanol, ammonia