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Properties of substance:

barium nitrite

Group of substances:

inorganic

Physical appearance:

colorless hexagonal crystals

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

BaN2O4

Structural formula as text:

Ba(NO2)2

Molar/atomic mass: 229.35

Melting point (°C):

217

Decomposition temperature (°C):

217

Solubility (g/100 g of solvent):

ethanol 80%: 1.24 (20°C) [Ref.]
ethyl acetate: insoluble [Ref.]
water: 67.5 (20°C) [Ref.]
water: 300 (100°C) [Ref.]

Properties of solutions:

40% (wt.), solvent - water
  Density (g/cm3) = 1.49 (17°)

Density:

3.23 (23°C, g/cm3)

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

-756 (s)

References:

  1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 175-176
  2. Stern K.H. High temperature properties and thermal decomposition of inorganic salts with oxyanions. - CRC Press, 2001. - pp. 154-155
  3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 285 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 28-29 [Russian]
  5. Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 263 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru