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Properties of substance:

gold(III) chloride

Group of substances:

inorganic

Physical appearance:

red monoclinic crystals

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

AuCl3

Structural formula as text:

AuCl3

Molar/atomic mass: 303.33

Melting point (°C):

228

Decomposition temperature (°C):

260

Solubility (g/100 g of solvent):

ammonia liquid : sparingly soluble [Ref.]
antimony trichloride: soluble [Ref.]
arsenic trichloride: 2.6 (15°C) [Ref.]
arsenic trichloride: 28 (160°C) [Ref.]
benzene: reaction [Ref.]
carbon disulphide: insoluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
sulfuryl chloride: soluble [Ref.]
tetrachlorosilane: very slightly soluble [Ref.]
tin tetrachloride: sparingly soluble (0°C) [Ref.]
tin tetrachloride: 4.2 (160°C) [Ref.]
titan tetrachloride: sparingly soluble [Ref.]
water: 68 (20°C) [Ref.]

Hygroscopic:

yes

Density:

4.67 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1, Ref.2aster, Ref.3]
    2Au + 3Cl2 → 3AuCl3

Reactions:

  1. [Ref.1]
    AuCl3 + 2I2 → AuI + 3ICl

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

-118.4 (s)

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

-53.6 (s)

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

164.4 (s)

References:

  1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 370
  2. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.29
  3. Patnaik P. Handbook of inorganic chemicals. - McGraw-Hill, 2003. - pp. 324-325
  4. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 116
  5. Бусев А.И., Иванов В.М. Аналитическая химия золота. - М.: Наука, 1973. - pp. 13-17 [Russian]
  6. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 276 [Russian]
  7. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 64 [Russian]
  8. Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 449 [Russian]
  9. Рипан Р., Четяну И. Неорганическая химия. - Т.2. - М.: Мир, 1972. - pp. 770-772 [Russian]
  10. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 66-67 [Russian]
  11. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 62-63 [Russian]
  12. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 170-171 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru