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Properties of substance:

bismuth sulfide

Group of substances:

inorganic

Physical appearance:

black rhombic crystals

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

Bi2S3

Structural formula as text:

Bi2S3

Molar/atomic mass: 514.14

Melting point (°C):

685

Solubility (g/100 g of solvent):

methylamine: sparingly soluble [Ref.]
water: 0.000018 (18°C) [Ref.]

Density:

7.6 (20°C, g/cm3)

Dissociation:

pKsp (0) = 72 (20°C, water)

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

-155.6 (s)

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

-152.9 (s)

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

200.4 (s)

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

122 (s)

LD50 (mg/kg):

5000 (rats, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-52
  2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 205
  3. Вредные химические вещества: Неорганические соединения элементов V-VIII групп. Справочник. - Л., 1989. - pp. 113 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 58 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru