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Properties of substance:

strontium fluoride

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

F2Sr

Structural formula as text:

SrF2

Molar/atomic mass: 125.62

Melting point (°C):

1190

Boiling point (°C):

2490

Solubility (g/100 g of solvent):

acetone: sparingly soluble [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: sparingly soluble [Ref.]
hydrogen fluoride : 14.43 (-23°C) [Ref.]
hydrogen fluoride : 14.63 (-3.3°C) [Ref.]
hydrogen fluoride : 14.83 (12.2°C) [Ref.]
sulfur dioxide: 0.02 (25°C) [Ref.]
water: 0.012 (20°C) [Ref.]

Density:

4.24 (20°C, g/cm3)

Vapour pressure (Torr):

1 (1600°C)
10 (1827°C)
100 (2128°C)

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

-1209.2 (s)

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

-1160.6 (s)

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

81.6 (s)

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

68.2 (s)

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

18

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

-777 (g)

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

290 (g)

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

52.7 (g)

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

324

LD50 (mg/kg):

10660 (rats, oral)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1512-1513
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 100 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 267, 799 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru