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Properties of substance:

lithium tetraborate

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

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

B4Li2O7

Structural formula as text:

Li2B4O7

Molar/atomic mass: 169.122

Melting point (°C):

920

CAS №: 12007-60-2

Solubility (g/100 g of solvent):

water: 2.9 (20°C) [Ref.]
water: 5.5 (100°C) [Ref.]

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

-3377 (s)

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

158 (s)

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

177 (s)

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

120

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-72
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 146-147 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru