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Properties of substance:

calcium peroxide octahydrate

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

H16CaO10

Structural formula as text:

CaO2 * 8H2O

Molar/atomic mass: 216.199

Melting point (°C):

40

Decomposition temperature (°C):

100

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
glycerol: soluble [Ref.]
toluene: insoluble [Ref.]
water: sparingly soluble [Ref.]

Numerical data:

Year of discovery: 1818

Density:

1.672 (20°C, g/cm3)

    Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

    -3011 (s) [Ref.]

    References:

    1. Вольнов И.И. Перекисные соединения щелочноземельных металлов. - М.: Наука, 1983. - pp. 60-68 [Russian]
    2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 138-139 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru