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Properties of substance:

antimony

Group of substances:

inorganic

Physical appearance:

trigonal metal

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

Sb

Structural formula as text:

Sb

Molar/atomic mass: 121.75

Melting point (°C):

630.5

Boiling point (°C):

1634

Solubility (g/100 g of solvent):

ammonia liquid : insoluble [Ref.]
antimony trichloride: 0.096 (270°C) [Ref.]
hydrazine: insoluble [Ref.]
mercury: 0.0002 (20°C) [Ref.]
mercury: 0.5 (300°C) [Ref.]
water: insoluble [Ref.]

Numerical data:

Ionic radius (pm): 90 (Sb3+ crystal)
Hardness on the Mohs’ scale: 3

Density:

6.69 (20°C, g/cm3)
6.55 (631°C, d4)
6.49 (640°C, g/cm3)
6.45 (700°C, g/cm3)
6.38 (800°C, g/cm3)
6.29 (970°C, g/cm3)

Vapour pressure (Torr):

0.01 (533°C)
0.1 (600°C)
1 (731°C)
10 (960°C)
100 (1289°C)

    Viscosity (mPa·s):

    1.5 (650°C)
    1.26 (700°C)
    1.05 (850°C)

    Surface tension (mN/m):

    368 (750°C)

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

    0 (s)

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

    0 (s)

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

    45.69 (s)

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

    25.2 (s)

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

    20.1

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

    124.4

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

    268 (g)

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

    180.2 (g)

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

    20.8 (g)

    LD50 (mg/kg):

    112 (mice, intraperitoneal)

    References:

    1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 43-44
    2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 276-277
    3. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 515-517 [Russian]
    4. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 51 [Russian]
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 100 [Russian]
    6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 601 [Russian]
    7. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 475-477 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru