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Properties of substance:

strontium hydroxide

Physical appearance:

colorless crystals

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

H2O2Sr

Structural formula as text:

Sr(OH)2

Molar/atomic mass: 121.63

Melting point (°C):

375

Destruction point (°C):

400

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
water: 0.41 (0°C) [Ref.]
water: 0.56 (10°C) [Ref.]
water: 0.81 (20°C) [Ref.]
water: 1.01 (25°C) [Ref.]
water: 1.23 (30°C) [Ref.]
water: 1.77 (40°C) [Ref.]
water: 3.68 (60°C) [Ref.]
water: 8.3 (80°C) [Ref.]
water: 27.9 (100°C) [Ref.]
methanol: soluble [Ref.]

Hygroscopic:

very hygroscopic

Density:

3.625 (20°C, g/cm3)

    Dissociation:

    pKb (2) = 0.82 (25°C, water)

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

    -959.4 (s)

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

    -870.3 (s)

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

    86.6 (s)

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

    92 (s)

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

    23

    LD50 (mg/kg):

    3160 (, oral)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1517-1520
    2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 363
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 99
    4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 267
    5. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советсткая энциклопедия, 1983. - pp. 547
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru