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Properties of substance:

lautarite

Synonyms:

calcium iodate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

CaI2O6

Structural formula as text:

Ca(IO3)2

Molar/atomic mass: 389.88

Decomposition temperature (°C):

540

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: 0.2 (15°C) [Ref.]
water: 0.22 (18°C) [Ref.]
water: 0.67 (90°C) [Ref.]
water: 0.95 (100°C) [Ref.]

Density:

4.52 (15°C, g/cm3)

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

-1047 (s)

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

230 (s)

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

189 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 299-302
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 136-137 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 246 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru