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Properties of substance:

mercury(II) cyanide

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

C2HgN2

Structural formula as text:

Hg(CN)2

Molar/atomic mass: 252.63

Melting point (°C):

320

Decomposition temperature (°C):

320

Solubility (g/100 g of solvent):

1,2-dibromoethane: 0.001 (20°C) [Ref.]
1-propanol: 3.79 (13.5°C) [Ref.]
1-propanol: 4.15 (25°C) [Ref.]
acetone: 10.3 (15°C) [Ref.]
acetonitrile: 9.58 (18°C) [Ref.]
ammonia liquid : 383.1 (0°C) [Ref.]
benzonitrile: 1.093 (18°C) [Ref.]
bromoethane: 0.013 (20°C) [Ref.]
bromoform: 0.005 (20°C) [Ref.]
carbon tetrachloride: 0.001 (20°C) [Ref.]
deuterium oxide: 5.35 (5°C) [Ref.]
diethyl ether: soluble [Ref.]
dimethylamine: very soluble [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethanol: 9.1 (0°C) [Ref.]
ethanol: 10.2 (20°C) [Ref.]
ethanol: 11.5 (40°C) [Ref.]
ethyl acetate: 1.98 (25°C) [Ref.]
glycerol: 27 (15.5°C) [Ref.]
hydrogen fluoride : soluble [Ref.]
methanol: 31.9 (25°C) [Ref.]
methanol: 59.84 (67°C) [Ref.]
methylamine: very soluble [Ref.]
pyridine: 64.8 (18°C) [Ref.]
sulfur dioxide: 0.014 (0°C) [Ref.]
water: 9.3 (14°C) [Ref.]
water: 12.5 (15°C) [Ref.]
water: 33 (100°C) [Ref.]

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

269 (s)

References:

  1. Bretherick's Handbook of Reactive Chemical Hazards. - 6 ed., Vol. 1. - Butterworth-Heinemann, 1999. - pp. 356
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 614-618
  3. Волков А.И., Жарский И.М. Большой химический справочник. - Минск: Современная школа, 2005. - pp. 153 [Russian]
  4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 182-183 [Russian]
  5. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 200-201 [Russian]
  6. Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 503-504 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 296, 839-842 [Russian]
  8. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 295 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru