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Properties of substance:

titanium(IV) bromide

Group of substances:

inorganic

Physical appearance:

yellow cubic crystals

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

Br4Ti

Structural formula as text:

TiBr4

Molar/atomic mass: 367.52

Melting point (°C):

38

Boiling point (°C):

231

Solubility (g/100 g of solvent):

arsenic tribromide: very soluble [Ref.]
bromine liquid: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
propylene carbonate: very soluble (25°C) [Ref.]
water: reaction [Ref.]

Hygroscopic:

very hygroscopic

Density:

3.24 (20°C, g/cm3)

Reactions of synthesis:

  1. [Ref.1aster]
    TiO2 + 2C + 2Br2 → TiBr4 + 2CO

Reactions:

  1. [Ref.1aster]
    2TiBr4 + H2 → 2TiBr3 + 2HBr

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

-619.2 (s)

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

-592 (s)

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

243.5 (s)

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

131.5 (s)

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

12.9

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

44.4

References:

  1. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 104 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru