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Properties of substance:

lithium hydroxide

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

HLiO

Structural formula as text:

LiOH

Molar/atomic mass: 23.95

Melting point (°C):

462

Boiling point (°C):

925

Decomposition temperature (°C):

930

Solubility (g/100 g of solvent):

1-propanol: 0.77 (20°C) [Ref.]
2-propanol: insoluble [Ref.]
acetone: insoluble [Ref.]
ethanol: 2.36 (20°C) [Ref.]
ethanol 10%: 9.48 (25°C) [Ref.]
ethyl acetate: insoluble [Ref.]
methanol: 9.76 (20°C) [Ref.]
methyl acetate: insoluble [Ref.]
water: 12.7 (0°C) [Ref.]
water: 12.9 (25°C) [Ref.]
water: 13 (40°C) [Ref.]
water: 13.8 (60°C) [Ref.]
water: 15.3 (80°C) [Ref.]
water: 19.1 (100°C) [Ref.]

Density:

1.46 (25°C, g/cm3)

Dissociation:

pKb (1) = 0.17 (25°C, water)

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

-487.2 (s)

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

-442.2 (s)

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

42.8 (s)

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

49.58 (s)

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

21

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 929-930
  2. Девяткин В.В., Ляхова Ю.М. Химия для любознательных, или о чем не узнаешь на уроке. - Ярославль: Академия Холдинг, 2000. - pp. 31 [Russian]
  3. Остроушко Ю.И., Бучихин П.И. и др. Литий, его химия и технология. - М.: ИГУИАЭ, 1960. - pp. 46-47 [Russian]
  4. Плющев В.Е., Степин Б.Д. Химия и технология соединений лития, рубидия и цезия. - М.: Химия, 1970. - pp. 26-29 [Russian]
  5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 76 [Russian]
  6. Редкие и рассеянные элементы. Химия и технология. - Кн. 1. - М.: Мисис, 1996. - pp. 24-26 [Russian]
  7. Химия и технология редких и рассеянных элементов. - Ч. 1. - М.: Высшая школа, 1976. - pp. 10-11 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru