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Properties of substance:

lithium sulfate

Synonyms:

lithium sulphate

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

Li2O4S

Structural formula as text:

Li2SO4

Molar/atomic mass: 109.94

Melting point (°C):

860

Solubility (g/100 g of solvent):

acetic acid: practically insoluble [Ref.]
acetone: insoluble [Ref.]
ammonia liquid : insoluble [Ref.]
ethanol: insoluble [Ref.]
ethyl acetate: insoluble [Ref.]
sulfur dioxide: 0.017 (0°C) [Ref.]
sulfuric acid: 14.8 (12°C) [Ref.]
water: 36 (0°C) [Ref.]
water: 34.7 (20°C) [Ref.]
water: 34.1 (30°C) [Ref.]
water: 33.6 (40°C) [Ref.]
water: 31.9 (75°C) [Ref.]
water: 30.9 (100°C) [Ref.]
water: 29.3 (150°C) [Ref.]

Hygroscopic:

yes

Density:

2.22 (20°C, g/cm3)

Surface tension (mN/m):

222 (900°C)
215 (1000°C)
209 (1100°C)

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

-1434.4 (s)

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

-1324.7 (s)

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

113 (s)

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

12.6

LD50 (mg/kg):

1190 (rats, oral)
953 (mice, subcutaneous)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 932-933
  2. Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 26 [Russian]
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 77 [Russian]
  4. Редкие и рассеянные элементы. Химия и технология. - Кн. 1. - М.: Мисис, 1996. - pp. 26 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 646 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru