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Properties of substance:

potassium acetate

Synonyms:

potassium ethanoate

Group of substances:

inorganic

Physical appearance:

white monoclinic crystals

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

C2H3KO2

Structural formula as text:

CH3COOK

Molar/atomic mass: 98.14

Melting point (°C):

292

Solubility (g/100 g of solvent):

liquid ammonia: 1.026 (-33.9°C) [Ref.]
acetone: insoluble [Ref.]
water: 233.9 (10°C) [Ref.]
water: 255.6 (20°C) [Ref.]
water: 269.4 (25°C) [Ref.]
water: 283.8 (30°C) [Ref.]
water: 323.3 (40°C) [Ref.]
water: 350 (60°C) [Ref.]
water: 380 (80°C) [Ref.]
glycerol 86.5%: 77.4 (20°C) [Ref.]
dimethylformamide: 0.09 (25°C) [Ref.]
sulfur dioxide: 0.006 (0°C) [Ref.]
diethyl ether: insoluble [Ref.]
methanol: 24.24 (15°C) [Ref.]
methanol: 53.54 (73.4°C) [Ref.]
acetic acid: 20.95 (17.95°C) [Ref.]
acetic acid: 64.96 (99°C) [Ref.]
ethanol: 16.3 (25°C) [Ref.]

Hygroscopic:

yes

Density:

1.8 (20°C, g/cm3)

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

    22

    Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

    -724,7 (s) [Ref.]

    LD50 (mg/kg):

    3250 (rats, oral)

    References:

    1. Franzosini P., Sanesi M. Thermodynamic and transport properties of organic salts. - IUPAC Chemical Data Series, No. 28. - Pergamon Press, 1980. - pp. 56-57
    2. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 700-701
    3. The Merck Index 11th ed., Merck & Company, 1989. - pp. 1211
    4. Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 115
    5. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 126-127
    6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 67
    7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 180, 700-701
    8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 86-87
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru