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Properties of substance:

bromomethane



skc-file

Synonyms:

methyl bromide

Group of substances:

organic

Physical appearance:

colorless gas

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

CH3Br

Structural formula as text:

CH3Br

CAS No: 74-83-9

Molar/atomic mass: 94.94

Melting point (°C):

-93.6

Boiling point (°C):

3.56

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
carbon disulphide: miscible [Ref.]
chloroform: soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
water: 2.609 (10°C) [Ref.]
water: 1.797 (17°C) [Ref.]
water: 1.6 (20°C) [Ref.]
water: 1.34 (25°C) [Ref.]

Density:

1.732 (0°C, g/cm3)
0.003974 (25°C, g/cm3)

Refractive index (nD):

1.4432 (-20°C)
1.4218 (20°C)

Vapour pressure (Torr):

1420 (20°C)

    Dipole moment (D):

    1.786 (20°C)

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

    -35.6 (g)

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

    -25.9 (g)

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

    245.77 (g)

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

    42.59 (g)

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

    5.98

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

    23.91

    Heat of combustion (kJ/mol):

    769.8

    Critical temperature (°C):

    192.6

    Critical pressure (MPa):

    6.94

    References:

    1. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 7
    2. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.1. - Л.: Химия, 1976. - pp. 260-262 [Russian]
    3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 553 [Russian]
    4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 160 [Russian]
    5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 372 [Russian]
    6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 788-789 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru