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Properties of substance:

magnesium chloride hexahydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H12Cl2MgO6

Structural formula as text:

MgCl2 * 6H2O

Molar/atomic mass: 203.3

Decomposition temperature (°C):

120

Solubility (g/100 g of solvent):

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

Hygroscopic:

yes

Density:

1.56 (20°C, g/cm3)

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

-2499.6 (s)

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

-2115.6 (s)

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

366 (s)

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

315 (s)

LD50 (mg/kg):

7333.3 (, oral)
4666.7 (, oral)
916.7 (, intraperitoneal)

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 78 [Russian]
  2. Токсикологический вестник. - 2001. - №4. - pp. 40-41 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru