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Properties of substance:

dichlorodifluoromethane

Synonyms:

freon 12

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

CCl2F2

Structural formula as text:

CF2Cl2

CAS No: 75-71-8

Molar/atomic mass: 120.91

Melting point (°C):

-155.95

Boiling point (°C):

-29.74

Solubility (g/100 g of solvent):

water: 0.057 (0°C) [Ref.]
water: 0.044 (10°C) [Ref.]
water: 0.035 (20°C) [Ref.]
water: 0.028 (30°C) [Ref.]
water: 0.024 (40°C) [Ref.]
water: 0.02 (50°C) [Ref.]
water: 0.018 (60°C) [Ref.]
water: 0.016 (70°C) [Ref.]
water: 0.014 (80°C) [Ref.]
acetic acid: 30.9 (4.5°C) [Ref.]

Density:

1.442 (-15°C, g/cm3)

Index of refraction:

1.295 (20°C)

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

    -481.6 (g)

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

    -435.8 (g)

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

    301.3 (g)

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

    72.5 (g)

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

    -491.9 (l)

    Critical temperature (°C):

    112

    Critical pressure (MPa):

    4.119

    Critical density (g/cm3):

    0.5791

    References:

    1. Dictionary of Inorganic Compounds. - Vol. 1: Ac-C10, part 1. - Springer Science+Business Media Dordrecht, 1992. - pp. 396
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 7
    3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 16
    4. Исикава Н., Кобаяси Ё. Фтор: химия и применение. - М.: Мир, 1982. - pp. 10-11
    5. Основные свойства неорганических фторидов. Справочник. - Под ред. Галкина Н.П. - М.: Атомиздат, 1976. - pp. 137
    6. Промышленные фторорганические продукты: Справочник. - Л.: Химия, 1990. - pp. 42-54
    7. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1018-1019
    8. Теплофизические свойства фреонов. - Т.2. - М.: Издательство стандартов, 1985. - pp. 97-142
    9. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 279
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru