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Properties of substance:

potassium fulminate

Group of substances:

inorganic

Physical appearance:

white crystals

Empirical formula (Hill's system for organic substances):

CKNO

Structural formula as text:

KCNO

Molar/atomic mass: 81.1151

Decomposition temperature (°C):

225

Solubility (g/100 g of solvent):

acetone: difficulty soluble [Ref.]
benzene: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: difficulty soluble [Ref.]
methanol: soluble [Ref.]

Hygroscopic:

yes

Density:

1.8 (20°C, g/cm3)

Reactions:

  1. Yeild 85%. [Ref.1]
    2KCNO + 2Br2 + H2SO4 → 2Br2C=NOH + K2SO4
  2. Yeild 100%. [Ref.1]
    2KCNO + 2I2 + H2SO4 → 2I2C=NOH + K2SO4

References:

  1. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 90
  2. Matyas R., Pachman J. Primary Explosives. - Springer, 2013. - pp. 62-66
  3. Urbanski T. Chemistry and technology of explosives. - vol.3. - Warszawa, 1967. - pp. 157
  4. Багал Л.И. Химия и технология инициирующих взрывчатых веществ. - М., 1975. - pp. 80 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru