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Properties of substance:

calcium chloride dihydrate

Synonyms:

sinjarite

Group of substances:

inorganic

Physical appearance:

colorless crystals

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

H4CaCl2O2

Structural formula as text:

CaCl2 * 2H2O

Molar/atomic mass: 147.02

Decomposition temperature (°C):

250

Solubility (g/100 g of solvent):

ethanol: 67 (80°C) [Ref.]
water: 98 (0°C) [Ref.]
water: 130 (20°C) [Ref.]
water: 326 (60°C) [Ref.]
water: 435 (100°C) [Ref.]

Hygroscopic:

yes

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

-1389 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-54
  2. Dictionary of Food Compounds with CD-ROM. - 2nd ed. - CRC Press, 2013. - pp. 214
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 72 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 96-97 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru