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Properties of substance:

sodium orthovanadate

Group of substances:

inorganic

Physical appearance:

colorless cubic crystals

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

Na3O4V

Structural formula as text:

Na3VO4

Molar/atomic mass: 183.908

Melting point (°C):

1200

Solubility (g/100 g of solvent):

ethanol: insoluble [Ref.]
water: 9.08 (0°C) [Ref.]
water: 18.85 (20°C) [Ref.]
water: 41.96 (50°C) [Ref.]
water: 48.35 (60°C) [Ref.]
water: 63.8 (80.2°C) [Ref.]

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

-1757 (s)

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

190 (s)

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

164.8 (s)

LD50 (mg/kg):

330 (rats, oral)
36.3 (mice, intraperitoneal)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 4032
  2. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 164-165 [Russian]
  3. Редкие и рассеянные элементы. Химия и технология. - Кн. 2. - М.: Мисис, 1998. - pp. 211 [Russian]
  4. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 348 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru