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Properties of substance:

gold(I) cyanide

Group of substances:

inorganic

Physical appearance:

crystals

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

CAuN

Structural formula as text:

AuCN

Molar/atomic mass: 222.984

Decomposition temperature (°C):

200

Solubility (g/100 g of solvent):

diethyl ether: practically insoluble [Ref.]
ethanol: practically insoluble [Ref.]
water: practically insoluble [Ref.]

Multicomponent solubility (in wt%):

water 91.51%, potassium cyanide 2.37%, gold(I) cyanide 6.12%, 25 °C, separating phase: AuCN [Ref.]
water 90.13%, potassium cyanide 7.27%, gold(I) cyanide 2.6%, 25 °C, separating phase: AuCN [Ref.]
water 79.75%, potassium cyanide 4.78%, gold(I) cyanide 15.47%, 25 °C, separating phase: KAu(CN)2 + AuCN [Ref.]
water 83.79%, potassium cyanide 5.19%, gold(I) cyanide 11.02%, 25 °C, separating phase: KAu(CN)2 [Ref.]
water 84.64%, potassium cyanide 7.02%, gold(I) cyanide 8.34%, 25 °C, separating phase: KAu(CN)2 [Ref.]
water 87.37%, potassium cyanide 9.66%, gold(I) cyanide 2.97%, 25 °C, separating phase: KAu(CN)2 [Ref.]
water 74.94%, potassium cyanide 23.79%, gold(I) cyanide 1.27%, 25 °C, separating phase: KAu(CN)2 [Ref.]
water 60.67%, potassium cyanide 38.98%, gold(I) cyanide 0.35%, 25 °C, separating phase: KAu(CN)2 [Ref.]
water 57.85%, potassium cyanide 41.98%, gold(I) cyanide 0.17%, 25 °C, separating phase: KCN + KAu(CN)2 [Ref.]

Density:

7.12 (25°C, g/cm3)

References:

  1. Бусев А.И., Иванов В.М. Аналитическая химия золота. - М.: Наука, 1973. - pp. 22-25 [Russian]
  2. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 78 [Russian]
  3. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 171 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru