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Properties of substance:

boron triiodide



skc-file

Group of substances:

inorganic

Physical appearance:

colorless crystals

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

BI3

Structural formula as text:

I3B

Molar/atomic mass: 391.5244

Melting point (°C):

49.9

Boiling point (°C):

210

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
carbon disulphide: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]

Hygroscopic:

yes

Density:

3.35 (50°C, g/cm3)

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

-37.2 (s)

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

200 (s)

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

41.8

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

26.8 (g)

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

350 (g)

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

71 (g)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 539
  2. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 189 [Russian]
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 104-105 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 14-15 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru