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Properties of substance:

cesium chloride

Synonyms:

caesium chloride

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

ClCs

Structural formula as text:

CsCl

Molar/atomic mass: 168.36

Melting point (°C):

646

Boiling point (°C):

1302

Solubility (g/100 g of solvent):

1,2,4-triazole: soluble [Ref.]
1-butanol: 0.625 (25°C) [Ref.]
acetone: 0.0004 (18°C) [Ref.]
acetone: 0.00044 (37°C) [Ref.]
acetonitrile: 0.0083 (18°C) [Ref.]
acetonitrile: 0.0084 (25°C) [Ref.]
acetophenone: sparingly soluble [Ref.]
ammonia liquid : 0.038 (0°C) [Ref.]
antimony trichloride: soluble [Ref.]
bromine liquid: 0.175 (25°C) [Ref.]
butyl acetate: sparingly soluble [Ref.]
dimethylformamide: 0.0052 (25°C) [Ref.]
ethanol: 0.48 (0°C) [Ref.]
ethanol: 0.76 (25°C) [Ref.]
ethanol: 0.84 (40°C) [Ref.]
ethanol: 0.91 (60°C) [Ref.]
ethyl acetate: sparingly soluble [Ref.]
ethylene glycol : 12 (20°C) [Ref.]
ethylene glycol monomethyl ether: 3.83 (35°C) [Ref.]
ethylene glycol monomethyl ether: 3.75 (40°C) [Ref.]
ethylene glycol monomethyl ether: 3.7 (45°C) [Ref.]
formic acid: 107.7 (18°C) [Ref.]
formic acid: 130.5 (25°C) [Ref.]
i-amyl alcohol: 0.038 (25°C) [Ref.]
iodine monochloride: soluble [Ref.]
methanol: 2.36 (0°C) [Ref.]
methanol: 3.39 (18°C) [Ref.]
methanol: 3.01 (25°C) [Ref.]
methanol: 3.42 (40°C) [Ref.]
methanol: 3.41 (50°C) [Ref.]
methyl acetate: insoluble [Ref.]
methyl ethyl ketone: sparingly soluble [Ref.]
monochlorbenzene: practically insoluble [Ref.]
phosphorus(V) trichloride oxide: 0.076 (20°C) [Ref.]
pyridine: practically insoluble [Ref.]
selenium(IV) oxychloride: 3.98 (25°C) [Ref.]
sulfur dioxide: 0.295 (25°C) [Ref.]
water: 161.4 (0°C) [Ref.]
water: 174.7 (10°C) [Ref.]
water: 186.5 (20°C) [Ref.]
water: 191.87 (25°C) [Ref.]
water: 197.3 (30°C) [Ref.]
water: 208 (40°C) [Ref.]
water: 218.5 (50°C) [Ref.]
water: 229.7 (60°C) [Ref.]
water: 250 (80°C) [Ref.]
water: 270.5 (100°C) [Ref.]

Multicomponent solubility (in wt%):

water 40.52%, hydrochloric acid 24.55%, cesium chloride 34.93%, 0 °C [Ref.]
water 35.58%, hydrochloric acid 22.02%, cesium chloride 42.4%, 25 °C [Ref.]

Properties of solutions:

1% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.997 (20°)
5% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.98 (20°)
10% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.966 (20°)
  Density (g/cm3) = 1.0798 (20°)
14% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.955 (20°)
  Density (g/cm3) = 1.1163 (20°)
20% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.939 (20°)
  Density (g/cm3) = 1.1756 (20°)
30% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.922 (20°)
  Density (g/cm3) = 1.2885 (20°)
40% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 0.934 (20°)
  Density (g/cm3) = 1.4226 (20°)
57,4% (wt.), solvent - water
  Electrical Conductivity (mS/cm) = 434.1 (20°)
60% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.12 (20°)
  Density (g/cm3) = 1.7886 (20°)
  Index of refraction = 1.4076 (20°)
64% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.238 (20°)
  Density (g/cm3) = 1.8842 (20°)
  Index of refraction = 1.4167 (20°)

Hygroscopic:

no

Density:

3.97 (20°C, g/cm3)

Refractive index (nD):

1.6418 (20°C)

Vapour pressure (Torr):

1 (745°C)
10 (882°C)
100 (1068°C)
223 (1150°C)

Dipole moment (D):

10.387

Surface tension (mN/m):

89 (660°C)
87 (700°C)
80 (800°C)
72 (900°C)
64 (1000°C)

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

-433 (s)

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

-404.2 (s)

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

90 (s)

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

52.7 (s)

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

15.1

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

149.3

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

-242 (g)

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

256 (g)

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

36.97 (g)

LD50 (mg/kg):

2000 (white mice, oral)

Critical temperature (°C):

3040

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 454-457
  2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 328 [Russian]
  3. Плющев В.Е., Степин Б.Д. Аналитическая химия рубидия и цезия. - М.: Наука, 1975. - pp. 24-26 [Russian]
  4. Плющев В.Е., Степин Б.Д. Химия и технология соединений лития, рубидия и цезия. - М.: Химия, 1970. - pp. 96-99 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 112 [Russian]
  6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 206, 733-734 [Russian]
  7. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 290 [Russian]
  8. Химия и технология редких и рассеянных элементов. - Ч. 1. - М.: Высшая школа, 1976. - pp. 101-103 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru