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Properties of substance:

copper(II) chloride

Group of substances:

inorganic

Physical appearance:

monoclinic crystals

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

Cl2Cu

Structural formula as text:

CuCl2

Molar/atomic mass: 134.45

Melting point (°C):

596

Decomposition temperature (°C):

993

Solubility (g/100 g of solvent):

1-butanol: 18 (20°C) [Ref.]
1-butanol: 19 (40°C) [Ref.]
acetic acid: 0.0157 (30°C) [Ref.]
acetic acid: 0.0181 (35°C) [Ref.]
acetic acid: 0.0488 (75°C) [Ref.]
acetone: 2.97 (18°C) [Ref.]
acetone: 1.42 (56°C) [Ref.]
acetonitrile: 1.6 (18°C) [Ref.]
allyl alcohol: 29.9 (20°C) [Ref.]
ammonia liquid : soluble [Ref.]
benzylic alcohol: 1.4 (10°C) [Ref.]
benzylic alcohol: 1.65 (20°C) [Ref.]
benzylic alcohol: 2.14 (30°C) [Ref.]
benzylic alcohol: 3.02 (40°C) [Ref.]
benzylic alcohol: 4.4 (50°C) [Ref.]
benzylic alcohol: 6.12 (60°C) [Ref.]
chlorine liquid: insoluble [Ref.]
diethyl ether: 0.043 (11°C) [Ref.]
diethyl ether: 0.11 (20°C) [Ref.]
ethanol abs.: 42.3 (0°C) [Ref.]
ethanol abs.: 46 (10°C) [Ref.]
ethanol abs.: 50 (20°C) [Ref.]
ethanol abs.: 54.1 (30°C) [Ref.]
ethanol abs.: 58.3 (40°C) [Ref.]
ethanol abs.: 63.9 (50°C) [Ref.]
ethanol abs.: 70.8 (60°C) [Ref.]
ethyl acetate: 3.09 (20°C) [Ref.]
ethyl formane: 9.9 (20°C) [Ref.]
hydrogen fluoride : insoluble [Ref.]
i-amyl alcohol: 10.7 (10°C) [Ref.]
i-amyl alcohol: 12.1 (20°C) [Ref.]
i-amyl alcohol: 14.2 (30°C) [Ref.]
i-amyl alcohol: 16.6 (40°C) [Ref.]
i-amyl alcohol: 21 (50°C) [Ref.]
i-amyl alcohol: 25.2 (60°C) [Ref.]
i-propanol: 19 (40°C) [Ref.]
methanol: 56.5 (0°C) [Ref.]
methanol: 57.4 (10°C) [Ref.]
methanol: 58.6 (20°C) [Ref.]
methanol: 60 (30°C) [Ref.]
methanol: 61.8 (40°C) [Ref.]
methanol: 64.4 (50°C) [Ref.]
methanol: 66.4 (60°C) [Ref.]
methyl acetate: 0.55 (18°C) [Ref.]
propanol: 20 (10°C) [Ref.]
propanol: 24.7 (20°C) [Ref.]
propanol: 29.4 (30°C) [Ref.]
propanol: 34.2 (40°C) [Ref.]
propanol: 37.7 (50°C) [Ref.]
propanol: 41.1 (60°C) [Ref.]
propylene carbonate: 0.12 (25°C) [Ref.]
pyridine: 0.294 (10°C) [Ref.]
pyridine: 0.349 (25°C) [Ref.]
pyridine: 0.925 (95°C) [Ref.]
sulfur dioxide: insoluble (0°C) [Ref.]
water: 69.2 (0°C) [Ref.]
water: 71.5 (10°C) [Ref.]
water: 74.5 (20°C) [Ref.]
water: 76.4 (25°C) [Ref.]
water: 78.3 (30°C) [Ref.]
water: 81.8 (40°C) [Ref.]
water: 85.5 (50°C) [Ref.]
water: 89.4 (60°C) [Ref.]
water: 98 (80°C) [Ref.]
water: 110.5 (100°C) [Ref.]

Hygroscopic:

yes

Numerical data:

Year of discovery: 1799

Density:

3.05 (20°C, g/cm3)

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

-215.6 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-171.4 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

108.1 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

71.88 (s)

LD50 (mg/kg):

140 (white rats, oral)
3.7 (rats, intraperitoneal)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 475-488
  2. Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 67 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 271-272 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 81 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 184-185, 704-708 [Russian]
  6. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 5 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru