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Properties of substance:

potassium thiosulfate

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

K2O3S2

Structural formula as text:

K2S2O3

Molar/atomic mass: 190.33

Decomposition temperature (°C):

430-470

Solubility (g/100 g of solvent):

ethyl acetate: insoluble [Ref.]
water: 96.1 (0°C) [Ref.]
water: 150.5 (17°C) [Ref.]
water: 155.4 (20°C) [Ref.]
water: 165 (25°C) [Ref.]
water: 175.7 (30°C) [Ref.]
water: 202.4 (35°C) [Ref.]
water: 204.7 (40°C) [Ref.]
water: 215.2 (50°C) [Ref.]
water: 234.5 (56.1°C) [Ref.]
water: 238.3 (60°C) [Ref.]
water: 255.2 (70°C) [Ref.]
water: 292 (78.3°C) [Ref.]
water: 293.1 (80°C) [Ref.]
water: 298.5 (85°C) [Ref.]
water: 312 (90°C) [Ref.]

References:

  1. Comey A. M., Hahn D. A. A dictionary of Chemical Solubilities Inorganic. - 2 ed. - New York, The MacMillan Company, 1921. - pp. 1067
  2. Seidell A. Solubilities of inorganic and organic substances. - 2ed. - New York: D. Van Nostrand Company, 1919. - pp. 568
  3. Киргинцев А.Н., Трушникова Л.Н., Лаврентьева В.Г. Растворимость неорганических веществ в воде. - Л.: Химия, 1972. - pp. 124 [Russian]
  4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 163 [Russian]
  5. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 86-87 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru