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Properties of substance:

uranyl chloride

Group of substances:

inorganic

Physical appearance:

yellow rhombic crystals

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

Cl2O2U

Structural formula as text:

UO2Cl2

Molar/atomic mass: 340.93

Melting point (°C):

578

Decomposition temperature (°C):

578

Solubility (g/100 g of solvent):

1,4-dioxane: soluble [Ref.]
acetone: soluble [Ref.]
benzene: insoluble [Ref.]
carbon tetrachloride: insoluble [Ref.]
chloroform: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethyl acetate: soluble [Ref.]
methyl acetate: soluble [Ref.]
pyridine: soluble [Ref.]
water: 320 (18°C) [Ref.]
xylene: insoluble [Ref.]

Properties of solutions:

57% (wt.), solvent - water
  Density (g/cm3) = 1.9129 (25°)
76,2% (wt.), solvent - water
  Density (g/cm3) = 2.736 (18°)

Density:

5.28 (20°C, g/cm3)

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

-1243.5 (s)

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

150.5 (s)

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

107.9 (s)

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

-992 (g)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1563
  2. Браун Д. Галогениды лантаноидов и актиноидов. - М.: Атомиздат, 1972. - pp. 120-122 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 107 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru