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Properties of substance:

magnesium hexafluorosilicate hexahydrate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

H12F6MgO6Si

Structural formula as text:

Mg[SiF6] * 6H2O

Molar/atomic mass: 274.473

Decomposition temperature (°C):

120

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: 39.3 (17.5°C) [Ref.]

Density:

1.79 (20°C, g/cm3)

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

-4579.4 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 970-971
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 152-153 [Russian]
  3. Рысс И.Г. Химия фтора и его неорганических соединений. - М., 1956. - pp. 367-368 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru