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Properties of substance:

bismuth trichloride

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

BiCl3

Structural formula as text:

BiCl3

Molar/atomic mass: 315.34

Melting point (°C):

233

Boiling point (°C):

439

CAS №: 7787-60-2

Solubility (g/100 g of solvent):

acetone: 17.9 (18°C) [Ref.]
ammonia liquid : soluble [Ref.]
antimony trichloride: very slightly soluble [Ref.]
benzonitrile: soluble [Ref.]
chlorosulfonic acid: insoluble [Ref.]
diethyl ether: soluble [Ref.]
dimethylsulfoxide: 0.9 (25°C) [Ref.]
ethanol: soluble [Ref.]
ethyl acetate: 1.66 (18°C) [Ref.]
formic acid 95%: 0.05 (19.8°C) [Ref.]
hydrazine: 32 (20°C) [Ref.]
hydrogen sulfide liquid: 0.085 [Ref.]
methanol: soluble [Ref.]
methyl acetate: soluble [Ref.]
methylal: soluble [Ref.]
phosphorus(V) trichloride oxide: very soluble [Ref.]
propylene carbonate: 24.41 (25°C) [Ref.]
sulfur dioxide: 0.019 (0°C) [Ref.]
water: reaction [Ref.]

Hygroscopic:

yes

Numerical data:

Year of discovery: 1664

Density:

4.75 (20°C, g/cm3)
3.8 (280°C, g/cm3)
3.64 (350°C, g/cm3)

Reactions:

  1. [Ref.1]
    BiCl3 + H2O → BiOCl + 2HCl

Vapour pressure (Torr):

10 (264°C)
100 (343°C)

Dissociation:

pKa (1) = 1.58 (25°C, water)

Viscosity (mPa·s):

30.2 (267°C)
23.7 (297°C)
18.3 (437°C)

Surface tension (mN/m):

66.4 (270°C)
52.2 (380°C)

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

-379 (s)

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

-313.1 (s)

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

172 (s)

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

109 (s)

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

23.6

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

73.6

Critical temperature (°C):

905

Critical pressure (MPa):

11.97

Critical density (g/cm3):

1.21

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 5ed. - 2003. - pp. 402
  2. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-52
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 200-201
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 58-59 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 958 [Russian]
  6. Фурман А.А. Неорганические хлориды (химия и технология). - М.: Химия, 1980. - pp. 315-316 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru