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Properties of substance:

boron tribromide

Group of substances:

inorganic

Physical appearance:

colorless liquid

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

BBr3

Structural formula as text:

BBr3

Molar/atomic mass: 250.54

Melting point (°C):

-46

Boiling point (°C):

90.9

Solubility (g/100 g of solvent):

arsenic tribromide: very soluble [Ref.]
bromine liquid: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
ethanol: soluble [Ref.]
phosphorus(V) trichloride oxide: sparingly soluble [Ref.]
water: reaction [Ref.]

Density:

2.65 (0°C, g/cm3)

Refractive index (nD):

1.553 (20°C)

Permittivity (dielectric constant):

2.58 (0°C)

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

-240 (l)

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

228 (l)

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

29.7

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

-205 (g)

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

325 (g)

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

67.8 (g)

Critical temperature (°C):

300

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 538
  2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 7, 15 [Russian]
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 851 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 36-37 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru