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Properties of substance:

cesium bromide

Synonyms:

caesium bromide

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

BrCs

Structural formula as text:

CsBr

Molar/atomic mass: 212.81

Melting point (°C):

636

Boiling point (°C):

1300

Solubility (g/100 g of solvent):

acetone: 0.00403 (18°C) [Ref.]
acetone: 0.00406 (37°C) [Ref.]
acetonitrile: 0.1 (18°C) [Ref.]
acetonitrile: 0.14 (25°C) [Ref.]
ammonia liquid : 4.38 (0°C) [Ref.]
bromine liquid: 23.9 (25°C) [Ref.]
ethanol: soluble [Ref.]
formic acid: 69.6 (18°C) [Ref.]
formic acid: 71.7 (25°C) [Ref.]
methanol: 2.17 (18°C) [Ref.]
methanol: 2.25 (25°C) [Ref.]
water: 81.9 (0°C) [Ref.]
water: 107.6 (18°C) [Ref.]
water: 123.3 (25°C) [Ref.]
water: 155.2 (40°C) [Ref.]
water: 195 (60°C) [Ref.]
water: 214 (80°C) [Ref.]

Properties of solutions:

50% (wt.), solvent - water
  Density (g/cm3) = 1.6197 (20°)

Density:

4.44 (20°C, g/cm3)
3.13 (637°C, g/cm3)

Refractive index (nD):

1.6984 (20°C)

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

-394.6 (s)

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

-383.3 (s)

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

121 (s)

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

51.9 (s)

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

-206 (g)

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

267.42 (g)

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

37.31 (g)

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

23.6

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

148

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 450
  2. Плющев В.Е., Степин Б.Д. Аналитическая химия рубидия и цезия. - М.: Наука, 1975. - pp. 22-27 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 111 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 734 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru