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Properties of substance:

thallium carbonate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

CO3Tl2

Structural formula as text:

Tl2CO3

Molar/atomic mass: 468.75

Melting point (°C):

273

Decomposition temperature (°C):

360

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol abs.: insoluble [Ref.]
sulfur dioxide: 0.01 (0°C) [Ref.]
water: 5.23 (18°C) [Ref.]
water: 27.2 (100°C) [Ref.]

Density:

7.11 (20°C, g/cm3)

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

-709.6 (s)

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

-615.05 (s)

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

158.6 (s)

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

18.4

LD50 (mg/kg):

21 (mice, oral)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1543
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 198-199 [Russian]
  3. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 71 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 102 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 313 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 218-219 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru