Main page (Russian) Search in database (English)

Properties of substance:

chromium(III) chloride

Group of substances:

inorganic

Physical appearance:

monoclinic crystals

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

Cl3Cr

Structural formula as text:

CrCl3

Molar/atomic mass: 158.36

Sublimation point (°C):

950

Solubility (g/100 g of solvent):

acetaldehyde: insoluble [Ref.]
acetone: sparingly soluble [Ref.]
diethyl ether: sparingly soluble [Ref.]
ethanol: sparingly soluble [Ref.]
ethanol abs.: insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
hydrazine: 13 (20°C) [Ref.]
methanol: insoluble [Ref.]
water: sparingly soluble [Ref.]

Numerical data:

Year of discovery: 1818

Density:

3.03 (20°C, g/cm3)

Reactions:

  1. [Ref.1, Ref.2]
    4CrCl3 + 3O2 → 2Cr2O3 + 6Cl2

Vapour pressure (Torr):

1 (684°C)
10 (761°C)
100 (852°C)

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

-570.3 (s)

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

-500.7 (s)

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

124.7 (s)

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

91.8 (s)

Neel temperature (K):

16.8

References:

  1. Гринвуд Н., Эрншо А. Химия элементов. - Т.2. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 352-353 [Russian]
  2. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 378 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 111 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 982 [Russian]
  5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 244-245 [Russian]
  6. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 348-349 [Russian]

    What information do you need?




    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru