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Properties of substance:

barium chloride dihydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H4BaCl2O2

Structural formula as text:

BaCl2 * 2H2O

Molar/atomic mass: 244.26

Decomposition temperature (°C):

113

CAS №: 10326-27-9

Solubility (g/100 g of solvent):

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

Density:

3.1 (24°C, g/cm3)

Reactions:

  1. [Ref.1aster]
    BaCl2 * 2H2O + 2KBrO3 → Ba(BrO3)2 * H2O + 2KCl + H2O

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

-1446 (s)

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

203.3 (s)

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

155.2 (s)

LD50 (mg/kg):

51 (mice, intraperitoneal)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 340
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 102-103 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru