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Properties of substance:

rhodium(III) chloride

Group of substances:

inorganic

Physical appearance:

reddish brown monoclinic crystals

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

Cl3Rh

Structural formula as text:

RhCl3

Molar/atomic mass: 209.26

Decomposition temperature (°C):

450

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: insoluble [Ref.]

Hygroscopic:

yes

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

-280 (s)

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

-176 (s)

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

159 (s)

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

67 (g)

LD50 (mg/kg):

215 (rabbits, intravenous)
198 (rats, intravenous)

References:

  1. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 400 [Russian]
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 92 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru