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Properties of substance:

aluminum sulfate

Group of substances:

inorganic

Physical appearance:

colorless hexagonal crystals

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

Al2O12S3

Structural formula as text:

Al2(SO4)3

Molar/atomic mass: 342.14

Melting point (°C):

770

Decomposition temperature (°C):

770

Solubility (g/100 g of solvent):

ethanol: sparingly soluble [Ref.]
ethylene glycol : 16.8 (20°C) [Ref.]
methanol: insoluble [Ref.]
water: 37.9 (0°C) [Ref.]
water: 38.1 (10°C) [Ref.]
water: 38.5 (25°C) [Ref.]
water: 38.9 (30°C) [Ref.]
water: 40.4 (40°C) [Ref.]
water: 44.9 (60°C) [Ref.]
water: 48.8 (70°C) [Ref.]
water: 89 (100°C) [Ref.]

Properties of solutions:

10% (wt.), solvent - water
  Thermal conductivity (W/m·K) = 33,87 (20°)
20% (wt.), solvent - water
  Thermal conductivity (W/m·K) = 31,88 (20°)
28% (wt.), solvent - water
  Density (g/cm3) = 1,333 (19°)

Density:

2.71 (20°C, g/cm3)

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

    -3442 (s)

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

    -3101 (s)

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

    239.2 (s)

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

    259 (s)

    LD50 (mg/kg):

    980 (, oral)

    References:

    1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.14
    2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 137
    3. Patnaik P. Handbook of inorganic chemicals. - McGraw-Hill, 2003. - pp. 14-15
    4. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 13
    5. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 97-104
    6. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 76 [Russian]
    7. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 46 [Russian]
    8. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 53 [Russian]
    9. Реми Г. Курс неорганической химии. - Т.1. - М., 1963. - pp. 401 [Russian]
    10. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 298, 863 [Russian]
    11. Химическая технология неорганических веществ. - Кн.1, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 316 [Russian]
    12. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 121 [Russian]
    13. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советсткая энциклопедия, 1983. - pp. 29-30 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru