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Properties of substance:

tin(IV) bromide

Synonyms:

tin tetrabromide

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

Br4Sn

Structural formula as text:

SnBr4

Molar/atomic mass: 438.31

Melting point (°C):

30

Boiling point (°C):

208

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
arsenic tribromide: very soluble [Ref.]
benzene: soluble [Ref.]
bromine liquid: soluble [Ref.]
diethyl ether: reaction [Ref.]
dimethylsulfoxide: soluble [Ref.]
ethylene glycol : soluble [Ref.]
phosphorus trichloride: soluble [Ref.]
phosphorus(V) trichloride oxide: very soluble [Ref.]
pyridine: soluble [Ref.]
water: reaction [Ref.]

Hygroscopic:

very hygroscopic

Density:

3.35 (20°C, g/cm3)

Vapour pressure (Torr):

0.1 (5.7°C)
1 (32.8°C)
10 (75.2°C)
100 (135.4°C)

Dipole moment (D):

0 (20°C)

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

-405.8 (s)

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

-321.7 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

11.3

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

36.8

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

-348.1 (g)

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

412 (g)

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

103.3 (g)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1489
  2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 88 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 886-887 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru