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Properties of substance:

ammonium hexachloroplatinate(IV)

Group of substances:

inorganic

Physical appearance:

yellow cubic crystals

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

H8Cl6N2Pt

Structural formula as text:

(NH4)2[PtCl6]

Molar/atomic mass: 443.87

Decomposition temperature (°C):

215

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol 95%: 0.0037 (18°C) [Ref.]
water: 0.7 (15°C) [Ref.]
water: 1.25 (100°C) [Ref.]

Multicomponent solubility (in wt%):

water 99.012%, ammonium chloride 0.92%, ammonium hexachloroplatinate(IV) 0.068%, 25 °C [Ref.]
water 85.124%, ammonium chloride 14.85%, ammonium hexachloroplatinate(IV) 0.026%, 25 °C [Ref.]
water 73.6328%, ammonium chloride 26.36%, ammonium hexachloroplatinate(IV) 0.0082%, 25 °C [Ref.]

Density:

3.07 (20°C, g/cm3)

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

-984.1 (s)

LD50 (mg/kg):

195 (rats, oral)

References:

  1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.15
  2. Journal of Chemical Thermodynamics. - 1990. - Vol. 22, No. 11. - pp. 1097-1105 [DOI: 10.1016/0021-9614(90)90158-M]
  3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 232
  4. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 24
  5. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1424-1425
  6. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 100-101 [Russian]
  7. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 407 [Russian]
  8. Неорганическая химия. – Под ред. Третьякова Ю.Д., Т.3, Кн.2. - М.: Академия, 2007. - pp. 136 [Russian]
  9. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 223-224 [Russian]
  10. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 42 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru