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

Properties of substance:

malononitrile


Physical appearance:

colorless crystals

Empirical formula (Hill's system):

C3H2N2

Structural formula:

CH2(CN)2

Molar/atomic mass: 66.06

Melting point (°C):

32.1

Boiling point (°C):

220

Solubility (g/100 g of solvent):

benzene: 7.6 (20°C) [Ref.]
water: 13.3 (20°C) [Ref.]
diethyl ether: 28.2 (20°C) [Ref.]
ethanol: 50.6 (20°C) [Ref.]

Density:

1.049 (34°C, g/cm3)

    Dissociation:

    pKa (1) = 11.19 (25°C, water)

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

    186.4 (s)

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

    265.5 (g)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-23
    2. Альберт А., Сержент Е. Константы ионизации кислот и оснований. - М.-Л.: Химия, 1964. - pp. 132
    3. Справочник химика. - Т.2. - Л.-М.: Химия, 1964. - pp. 768-769
      What information do you need?



      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru