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Properties of substance:

nitramide

Group of substances:

inorganic

Physical appearance:

colorless plate-like crystals

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

H2N2O2

Structural formula as text:

NH2NO2

Molar/atomic mass: 62.03

Melting point (°C):

75

Decomposition temperature (°C):

75

Solubility (g/100 g of solvent):

1,4-dioxane: soluble [Ref.]
acetone: very soluble [Ref.]
chloroform: slightly soluble [Ref.]
diethyl ether: very soluble [Ref.]
ethanol: very soluble [Ref.]
ethyl acetate: very soluble [Ref.]
hexane: slightly soluble [Ref.]
ligroin: insoluble [Ref.]
water: very soluble [Ref.]

Density:

1.783 (20°C, g/cm3)

Reactions of synthesis:

  1. Yeild 43%. [Ref.1]
    2NH3 + NO2BF4 → NH2NO2 + NH4BF4
  2. [Ref.1aster, Ref.2aster]
    O2NNKCOOK + 2H2SO4 → NH2NO2 + CO2 + 2KHSO4

Dissociation:

pKa (1) = 6.52 (20°C, water)

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

-26 (g)

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

-89.5 (s)

Spectral properties of the substance:

Ultraviolet/visible spectrum (maximum in nm, layer thickness 1 cm, in parentheses - extinction) = 206

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-13
  2. Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
  3. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 68-74
  4. Urbanski T. Chemistry and technology of explosives. - vol.3. - Warszawa, 1967. - pp. 15-16
  5. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 431 [Russian]
  6. Термодинамические свойства индивидуальных веществ. - Т.1, Кн.2. - М.: Наука, 1978. - pp. 242 [Russian]
  7. Успехи химии. - 2010. - Т.79, №9. - pp. 894-909 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru