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Properties of substance:

strontium oxide

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

OSr

Structural formula as text:

SrO

Molar/atomic mass: 103.62

Melting point (°C):

2650

Boiling point (°C):

3000

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: sparingly soluble [Ref.]
methanol: sparingly soluble [Ref.]
strontium chloride fused: 22.4 (910°C) [Ref.]
water: reaction [Ref.]

Density:

4.7 (20°C, g/cm3)

Vapour pressure (Torr):

0.1 (2068°C)
1 (2262°C)

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

    -590.4 (s)

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

    -559.8 (s)

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

    54.4 (s)

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

    44.52 (s)

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

    -29 (g)

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

    230 (g)

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

    33.1 (g)

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

    70

    LD50 (mg/kg):

    667 (mice, intraperitoneal)

    References:

    1. Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 128 [Russian]
    2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 194-195 [Russian]
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 100 [Russian]
    4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 266, 799 [Russian]
    5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 212-213 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru