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Properties of substance:

manganese(II) chloride

Group of substances:

inorganic

Physical appearance:

trigonal crystals

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

Cl2Mn

Structural formula as text:

MnCl2

Molar/atomic mass: 125.84

Melting point (°C):

650

Boiling point (°C):

1238

CAS №: 7773-01-5

Solubility (g/100 g of solvent):

ammonia liquid : insoluble [Ref.]
benzonitrile: sparingly soluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol 75%: 30 (10°C) [Ref.]
ethanol 75%: 56.5 (25°C) [Ref.]
ethanol 75%: 60 (43.75°C) [Ref.]
ethanol 75%: 47.5 (87.5°C) [Ref.]
ethanol abs.: 49.9 (11.25°C) [Ref.]
ethanol abs.: 49.9 (37.5°C) [Ref.]
ethanol abs.: 56.7 (76.25°C) [Ref.]
ethyl acetate: insoluble [Ref.]
ethyl carbamate: soluble [Ref.]
hydrazine: 13 (20°C) [Ref.]
methyl acetate: difficulty soluble [Ref.]
oil of turpentine: insoluble [Ref.]
propylene carbonate: 0.03 (25°C) [Ref.]
pyridine: 1.28 (0°C) [Ref.]
pyridine: 1.06 (25°C) [Ref.]
selenium(IV) oxychloride: 0.16 (25°C) [Ref.]
water: 63.4 (0°C) [Ref.]
water: 68.1 (10°C) [Ref.]
water: 73.9 (20°C) [Ref.]
water: 77.2 (25°C) [Ref.]
water: 80.7 (30°C) [Ref.]
water: 88.6 (40°C) [Ref.]
water: 98.2 (50°C) [Ref.]
water: 108.6 (60°C) [Ref.]
water: 112.7 (80°C) [Ref.]
water: 115.3 (100°C) [Ref.]
water: 120 (140°C) [Ref.]

Hygroscopic:

yes

Density:

2.977 (25°C, g/cm3)

Vapour pressure (Torr):

1 (729°C)
10 (844°C)
100 (1017°C)

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

37.7

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

148

Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

-481.29 (s) [Ref.]
-263.6 (g) [Ref.]

Standard molar Gibbs energy of formation ΔfG (298 K, kJ/mol)

-440.478 (s) [Ref.]
-273.955 (g) [Ref.]

Standard molar entropy S (298 K, J/(mol·K))

118.24 (s) [Ref.]
289.856 (g) [Ref.]

Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

73.01 (s) [Ref.]
53.823 (g) [Ref.]

LD50 (mg/kg):

450 (mice, oral)

Neel temperature (K):

1.96

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1000-1002
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79-80 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 346 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 998 [Russian]
  5. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 369-371 [Russian]
  6. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 398-401 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru