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Properties of substance:

ethanedithioamide



skc-file

Group of substances:

inorganic

Physical appearance:

orange-red crystals

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

C2H4N2S2

Structural formula as text:

H2NC(S)C(S)NH2

Molar/atomic mass: 120.2

Decomposition temperature (°C):

140

Solubility (g/100 g of solvent):

acetone: 4 (20°C) [Ref.]
benzene: 1.5 (20°C) [Ref.]
carbon disulphide: 0.16 (20°C) [Ref.]
carbon tetrachloride: 0.063 (20°C) [Ref.]
chloroform: 2 (20°C) [Ref.]
ethanol: 0.71 (20°C) [Ref.]
ethyl acetate: 1.56 (20°C) [Ref.]
methanol: 1.27 (20°C) [Ref.]
water: 0.04 (25°C) [Ref.]

Dissociation:

pKa (1) = 9.52 (20°C, water)

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

-20.8 (s)

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

83 (g)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-22
  2. Бургер К. Органические реагенты в неорганическом анализе. - М.: Мир, 1975. - pp. 153 [Russian]
  3. Краткая химическая энциклопедия. - Т. 4: Пирометаллургия-С. - М.: Советская энциклопедия, 1965. - pp. 712 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 529 [Russian]
  5. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 282 [Russian]
  6. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 513 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru