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Properties of substance:

copper(I) chloride

Synonyms:

cuprous chloride

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

ClCu

Structural formula as text:

CuCl

Molar/atomic mass: 98.999

Melting point (°C):

430

Boiling point (°C):

1212

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
acetonitrile: 13.33 (18°C) [Ref.]
ammonia liquid : sparingly soluble [Ref.]
antimony trichloride: insoluble [Ref.]
benzonitrile: soluble [Ref.]
diethyl ether: insoluble [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethanol: insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
hydrogen fluoride : insoluble [Ref.]
methyl acetate: difficulty soluble [Ref.]
methylamine: reaction [Ref.]
phosgene liquid: insoluble [Ref.]
pyridine: soluble [Ref.]
quinoline: soluble [Ref.]
water: 1.53 (21.5°C) [Ref.]
water: 1.55 (26.5°C) [Ref.]

Numerical data:

Year of discovery: 1666

Density:

3.7 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1aster]
    2CuCl2 + Na2SO3 + H2O → 2CuCl + Na2SO4 + 2HCl

Reactions:

  1. [Ref.1]
    2CuCl + H2 → 2Cu + 2HCl

Vapour pressure (Torr):

1 (546°C)
10 (702°C)
61.5 (878°C)
100 (960°C)
178.8 (1045°C)
258 (1115°C)

Electrode potential:

CuCl + e- → Cu + Cl-, E = 0.137 V (water, 25°C)

Dissociation:

pKsp (0) = 6 (20°C, water)

Viscosity (mPa·s):

2.54 (527°C)
1.92 (607°C)
1.44 (697°C)

Surface tension (mN/m):

92 (450°C)

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

-137.2 (s)

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

-120.1 (s)

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

87 (s)

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

48.5 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

10.25

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

21.7

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

-80.6 (g)

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

237.1 (g)

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

35.3 (g)

References:

  1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 295-297
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 476-487
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 81 [Russian]
  4. Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 406-408 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 703-704 [Russian]
  6. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 746 [Russian]
  7. Степин Б.Д., Цветков А.А. Неорганическая химия. - М.: Высшая школа, 1994. - pp. 354 [Russian]
  8. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 53-54 [Russian]
  9. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 5 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru