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Properties of substance:
potassium dicyanoaurate(I)
Group of substances:
inorganic
Physical appearance:
colorless rhombic crystals
Empirical formula (Hill's system for organic substances):
C
2
AuKN
2
Structural formula as text:
K[Au(CN)2]
Molar/atomic mass: 288.1
Decomposition temperature (°C):
250
CAS №: 13967-50-5
Solubility (g/100 g of solvent):
acetone
: insoluble [
Ref.
]
diethyl ether
: insoluble [
Ref.
]
ethanol
: sparingly soluble [
Ref.
]
glycerol
: 0.18 (15°C) [
Ref.
]
water
: 14 (20°C) [
Ref.
]
water
: 200 (100°C) [
Ref.
]
Density:
3.45 (20°C, g/cm
3
)
Reactions of synthesis:
[
Ref.1
]
4Au + 8KCN + O
2
+ 2H
2
O → 4K[Au(CN)
2
] + 4KOH
References:
Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 267 [Russian]
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 136-137 [Russian]
Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 78 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 233 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru