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Properties of substance:

potassium aluminum hydride

Group of substances:

inorganic

Physical appearance:

colorless crystals

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

H4AlK

Structural formula as text:

KAlH4

Molar/atomic mass: 70.112

Decomposition temperature (°C):

290

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
diglyme: soluble [Ref.]
monoglyme: soluble [Ref.]
tetrahydrofuran: insoluble [Ref.]

Density:

1.33 (20°C, g/cm3)

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

-166.7 (s)

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

129 (s)

References:

  1. Reedijk J., Poeppelmeier K. Comprehensive Inorganic Chemistry II. - Vol. 1. - Elsevier, 2013. - pp. 1262-1264
  2. Жигач А.Ф., Стасиневич Д.С. Химия гидридов. - Л.: Химия, 1969. - pp. 522-523 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 49 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 122 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru