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Properties of substance:

beryllium sulfate tetrahydrate

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

H8BeO8S

Structural formula as text:

BeSO4 * 4H2O

Molar/atomic mass: 177.14

Decomposition temperature (°C):

100-400

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
ethanol: insoluble [Ref.]
sulfuric acid 60.65%: 0.91 (25°C) [Ref.]
water: 41.48 (25°C) [Ref.]
water: 48.8 (50°C) [Ref.]
water: 61.24 (75°C) [Ref.]
water: 70.44 (85°C) [Ref.]
water: 76.83 (95°C) [Ref.]

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

-2420.4 (s)

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

233 (s)

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

216.6 (s)

LD50 (mg/kg):

4.971 (mice, intravenous)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 426
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 104-105 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru