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Properties of substance:

trithiocarbonic acid

Group of substances:

inorganic

Physical appearance:

red oily liquid

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

CH2S3

Structural formula as text:

H2CS3

Molar/atomic mass: 110.222

Melting point (°C):

-26.9

Boiling point (°C):

57.8

Decomposition temperature (°C):

0

Density:

1.483 (20°C, d4)
1.476 (25°C, d4)

Refractive index (nD):

1.8225 (20°C)

    Dissociation:

    pKa (1) = 2.7 (20°C, water)
    pKa (2) = 7.15 (20°C, water)

    Dipole moment (D):

    2.13 (20°C)

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

    24 (l)

    References:

    1. Angewandte Chemie International Edition. - 1962. - Vol. 1, No. 1. - pp. 47-48
    2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
    3. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 88 [Russian]
    4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 518 [Russian]
    5. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 691 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru