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Properties of substance:

antimony(III) fluoride


antimony trifluoride;

Physical appearance:

colorless rhombic crystals

Empirical formula (Hill's system):

F3Sb

Structural formula:

SbF3

Molar/atomic mass: 178.75

Melting point (°C):

290

Boiling point (°C):

319

Solubility (g/100 g of solvent):

methyl ethyl ketone: 10 (25°C) [Ref.]
liquid ammonia: insoluble [Ref.]
acetone: 70 (25°C) [Ref.]
benzene: 0.0063 (25°C) [Ref.]
water: 384.7 (0°C) [Ref.]
water: 444.7 (20°C) [Ref.]
water: 492.4 (25°C) [Ref.]
water: 563.6 (30°C) [Ref.]
water: reaction (100°C) [Ref.]
heptane: 0.0024 (25°C) [Ref.]
dibutyl ether: 0.065 (25°C) [Ref.]
1,4-dioxane: 1.07 (25°C) [Ref.]
methanol: 168 (25°C) [Ref.]
nitrobenzene: 0.047 (25°C) [Ref.]
propanol: 42.7 (25°C) [Ref.]
hydrogen fluoride : 0.191 (-23.8°C) [Ref.]
hydrogen fluoride : 0.285 (-9.8°C) [Ref.]
hydrogen fluoride : 0.536 (11.9°C) [Ref.]
monochlorbenzene: 0.00045 (25°C) [Ref.]
ethanol: soluble [Ref.]

Gigroscopic:

very gigroscopic

Density:

4.385 (25°C, g/cm3)

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

    -923.4 (s)

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

    -778 (s)

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

    105.4 (s)

    LD50 (mg/kg):

    23 (mice, subcutaneous)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1481
    2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 101
    3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 333, 931-932
    4. Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 95-96
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru