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Properties of substance:

copper(II) bromide

Synonyms:

cupric bromide

Group of substances:

inorganic

Physical appearance:

black monoclinic crystals

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

Br2Cu

Structural formula as text:

CuBr2

Molar/atomic mass: 223.35

Melting point (°C):

498

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
acetonitrile: 24.43 (18°C) [Ref.]
ammonia liquid : soluble [Ref.]
benzene: insoluble [Ref.]
bromine liquid: 0.0001 (25°C) [Ref.]
dimethylsulfoxide: 0.9 (25°C) [Ref.]
ethanol: soluble [Ref.]
ethylene carbonate: soluble (40°C) [Ref.]
ethylene trithiocarbonate: soluble (40°C) [Ref.]
formic acid 95%: 0.16 (21°C) [Ref.]
propylene carbonate: 0.14 (25°C) [Ref.]
pyridine: soluble [Ref.]
sulfuric acid: insoluble [Ref.]
water: 107.5 (0°C) [Ref.]
water: 126.8 (20°C) [Ref.]
water: 127.8 (30°C) [Ref.]
water: 131.5 (50°C) [Ref.]

Hygroscopic:

yes

Density:

4.71 (20°C, g/cm3)

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

-143 (s)

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

-131.1 (s)

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

146 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-61
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 466-467
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 271 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 80 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 185 [Russian]
  6. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 315 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru