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Properties of substance:

thallium(I) sulfate

Synonyms:

thallium sulfate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

O4STl2

Structural formula as text:

Tl2SO4

Molar/atomic mass: 504.8

Melting point (°C):

632

Solubility (g/100 g of solvent):

sulfur dioxide: 0.021 (0°C) [Ref.]
sulfuric acid: very soluble [Ref.]
water: 2.7 (0°C) [Ref.]
water: 3.7 (10°C) [Ref.]
water: 4.87 (20°C) [Ref.]
water: 6.16 (30°C) [Ref.]
water: 9.21 (50°C) [Ref.]
water: 10.92 (60°C) [Ref.]
water: 14.61 (80°C) [Ref.]
water: 18.45 (100°C) [Ref.]

Density:

6.675 (20°C, g/cm3)

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

-933.7 (s)

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

-832 (s)

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

243.5 (s)

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

23.8

LD50 (mg/kg):

2.5 (rats, oral)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1557-1558
  2. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 213 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 102 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 314-315 [Russian]
  5. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 218-219 [Russian]
  6. Справочник химика. - Т. 6. - Л.: Химия, 1967. - pp. 634-635 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru