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Properties of substance:

propane

Physical appearance:

colorless gas

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

C3H8

Structural formula as text:

CH3CH2CH3

Molar/atomic mass: 44.09

Melting point (°C):

-187.69

Boiling point (°C):

-42.07

Solubility (g/100 g of solvent):

liquid ammonia: insoluble [Ref.]
acetone: 2.92 (20°C) [Ref.]
water: 0.01526 (4°C) [Ref.]
water: 0.0109 (10°C) [Ref.]
water: 0.0077 (20°C) [Ref.]
water: 0.00624 (25°C) [Ref.]
water: 0.0037 (50°C) [Ref.]
water: 0.0027 (60°C) [Ref.]
dimethylformamide: 1.11 (20°C) [Ref.]
methanol: 7.7 (25°C) [Ref.]

Density:

0.5853 (-45°C, g/cm3)
0.0020193 (0°C, g/cm3)
0.647 (-100°C, g/cm3)
0.636 (-90°C, g/cm3)
0.6245 (-80°C, g/cm3)
0.6133 (-70°C, g/cm3)
0.6021 (-60°C, g/cm3)
0.5909 (-50°C, g/cm3)
0.5794 (-40°C, g/cm3)

Index of refraction:

1.2898 (20°C)

Vapour pressure (Torr):

1 (-129°C)
10 (-108.5°C)
40 (-92.5°C)
100 (-79.6°C)
400 (-55.6°C)

    Dissociation:

    pKa (1) = 44 (20°C, water)

    Dipole moment (D):

    0.084 (20°C)

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

    -103.85 (g)

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

    -23.4 (g)

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

    270.3 (g)

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

    73.51 (g)

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

    3.53

    Autoignition temperature (°C):

    465

    Heat of combustion (kJ/mol):

    2202

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

    -120.9 (l)

    Critical temperature (°C):

    96.8

    Critical pressure (MPa):

    4.26

    Critical density (g/cm3):

    0.2205

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
    2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 75
    3. Гордон А., Форд Р. Спутник химика. - М.: Мир, 1976. - pp. 77
    4. Промышленные хлорорганические продукты: Справочник. - М.: Химия, 1978. - pp. 605-606
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 174
    6. Рапопорт Ф.М., Ильинская А.А. Лабораторные методы получения чистых газов. - М., 1963. - pp. 316-318
    7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 392
    8. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1272, 1288
    9. Справочник химика. - 2 изд., Т.1. - Л.-М.: Химия, 1966. - pp. 624
    10. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 101-102
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru