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Properties of substance:

tin(II) iodide

Group of substances:

inorganic

Physical appearance:

orange-red monoclinic crystals

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

I2Sn

Structural formula as text:

SnI2

Molar/atomic mass: 372.5

Melting point (°C):

320

Boiling point (°C):

718

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: very slightly soluble [Ref.]
carbon disulphide: very slightly soluble [Ref.]
carbon tetrachloride: difficulty soluble [Ref.]
chloroform: very slightly soluble [Ref.]
chloroform: soluble (61°C) [Ref.]
water: 0.97 (19.8°C) [Ref.]
water: 1.12 (29.6°C) [Ref.]
water: 1.4 (39.4°C) [Ref.]
water: 1.75 (49.5°C) [Ref.]
water: 2.07 (59.7°C) [Ref.]
water: 2.4 (67.5°C) [Ref.]
water: 2.83 (77.6°C) [Ref.]
water: 3.35 (87.4°C) [Ref.]
water: 3.84 (97.3°C) [Ref.]

Density:

5.28 (25°C, g/cm3)

Vapour pressure (Torr):

1 (388°C)
10 (468°C)
100 (576°C)

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

-145.2 (s)

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

-146 (s)

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

168.6 (s)

Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

100

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 4-95
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 174-175 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 88-89 [Russian]
  4. Рипан Р., Четяну И. Неорганическая химия. - Т.1. - М.: Мир, 1971. - pp. 411 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 317 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru