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Properties of substance:

manganese(II) sulfate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

MnO4S

Structural formula as text:

MnSO4

Molar/atomic mass: 151.001

Melting point (°C):

700

Decomposition temperature (°C):

850

CAS №: 7785-87-7

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: 0.012 (0°C) [Ref.]
ethanol: 0.012 (15°C) [Ref.]
ethanol: 0.014 (35°C) [Ref.]
ethanol: 0.021 (55°C) [Ref.]
ethyl acetate: insoluble [Ref.]
ethylene glycol : 0.5 (20°C) [Ref.]
hydrazine: 1 (20°C) [Ref.]
methanol: 0.19 (15°C) [Ref.]
methanol: 0.114 (25°C) [Ref.]
methanol: 0.064 (35°C) [Ref.]
methanol: 0.043 (45°C) [Ref.]
methanol: 0.029 (55°C) [Ref.]
water: 52.9 (0°C) [Ref.]
water: 62.9 (20°C) [Ref.]
water: 64.5 (25°C) [Ref.]
water: 62.9 (30°C) [Ref.]
water: 60 (40°C) [Ref.]
water: 53.6 (60°C) [Ref.]
water: 45.6 (80°C) [Ref.]

Multicomponent solubility (in wt%):

(layer 1): water 59.24%, ethanol 32.75%, manganese(II) sulfate 8.01%, (layer 2): water 62.37%, ethanol 15.02%, manganese(II) sulfate 22.61%, 25 °C [Ref.]

Properties of solutions:

10% (wt.), solvent - water
  Dynamic viscosity (mPa·s) = 1.587 (20°)
  Density (g/cm3) = 1.1012 (20°)
  Index of refraction = 1.3513 (20°)
  Freezing point (°C) = -1.44

Density:

3.25 (20°C, g/cm3)

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

-1066.7 (s)

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

-959 (s)

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

112.5 (s)

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

100.2 (s)

Neel temperature (K):

11

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-75
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1006-1014
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 79 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 347 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 999 [Russian]
  6. Справочник по растворимости. - Т.3, Кн.1. - Л.: Наука, 1969. - pp. 449-451 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 120-121 [Russian]
  8. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 393-397 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru