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Properties of substance:

ammonium metavanadate

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

H4NO3V

Structural formula as text:

NH4VO3

Molar/atomic mass: 116.98

Decomposition temperature (°C):

100-150

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
hydrazine: 2 (20°C) [Ref.]
water: 4.8 (20°C) [Ref.]
water: 17.8 (50°C) [Ref.]

Density:

2.326 (20°C, g/cm3)

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

-1051 (s)

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

-886.2 (s)

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

140.6 (s)

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

129.3 (s)

LD50 (mg/kg):

1.5-2 (rabbits, intravenous)
20-30 (rats, subcutaneous)
1-2 (guinea pig, subcutaneous)
25-30 (mice, subcutaneous)

References:

  1. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 243
  2. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 34
  3. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 28
  4. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1134-1135
  5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 483 [Russian]
  6. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 53 [Russian]
  7. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 219 [Russian]
  8. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 22-23 [Russian]
  9. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 348 [Russian]
  10. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 43 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru