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Properties of substance:

thallium hydroxide

Group of substances:

inorganic

Physical appearance:

needles crystals

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

HOTl

Structural formula as text:

TlOH

Molar/atomic mass: 221.38

Melting point (°C):

125

Decomposition temperature (°C):

125

Solubility (g/100 g of solvent):

ethanol: soluble [Ref.]
water: 25.4 (0°C) [Ref.]
water: 34.3 (18°C) [Ref.]
water: 40.3 (30°C) [Ref.]
water: 49.5 (40°C) [Ref.]
water: 79.6 (65°C) [Ref.]
water: 126.1 (90°C) [Ref.]
water: 149 (100°C) [Ref.]

Density:

7.44 (20°C, g/cm3)

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

-233.5 (s)

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

-190.6 (s)

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

255.2 (s)

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

47.3 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1555
  2. Неорганическая химия. - Под ред. Третьякова Ю.Д., Т.2. - М.: Academa, 2004. - pp. 96 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 101 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 311 [Russian]
  5. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 557 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru