Main page (Russian) Search in database (English)
Sitemap (Russian)

New version database

Properties of substance:

disilane

Group of substances:

inorganic

Physical appearance:

colorless gas

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

H6Si2

Structural formula as text:

Si2H6

Molar/atomic mass: 62.22

Melting point (°C):

-131

Boiling point (°C):

-14.5

Decomposition temperature (°C):

300

Solubility (g/100 g of solvent):

benzine: soluble [Ref.]
carbon disulphide: soluble [Ref.]
ethanol: soluble [Ref.]
water: reaction [Ref.]

Numerical data:

Polarizability of molecules (nm3): 0.0111

Density:

0.686 (-25°C, g/cm3)
0.00285 (0°C, g/cm3)

Vapour pressure (Torr):

1 (-111.3°C)
10 (-88.4°C)
100 (-56.5°C)

    Permittivity (dielectric constant):

    1.00354 (25°C)

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

    75 (g)

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

    126.1 (g)

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

    274.6 (g)

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

    79 (g)

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

    21.3

    References:

    1. Андрианов К.А. Кремнийорганические соединения. - М.: ГНТИХЛ, 1955. - pp. 44 [Russian]
    2. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 604-605 [Russian]
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 75 [Russian]
      What information do you need?




      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru