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Properties of substance:

ammonium azide

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

H4N4

Structural formula as text:

NH4N3

Molar/atomic mass: 60.06

Melting point (°C):

160

Decomposition temperature (°C):

200

Solubility (g/100 g of solvent):

ammonia liquid : soluble [Ref.]
benzene: 0.0032 (20°C) [Ref.]
benzene: 0.0078 (40°C) [Ref.]
diethyl ether: 0.0063 (20°C) [Ref.]
ethanol: 1.06 (20°C) [Ref.]
methanol: 3.268 (20°C) [Ref.]
methanol: 3.984 (40°C) [Ref.]
water: 20.2 (30°C) [Ref.]
water: 27.07 (40°C) [Ref.]

Properties of solutions:

0,0036% (wt.), solvent - benzene
  Density (g/cm3) = 0.8778 (20°)

Numerical data:

Heat of Explosion (kJ/kg): 2170

Density:

1.346 (20°C, g/cm3)

Vapour pressure (Torr):

4.5 (48°C)
55.1 (85°C)
160.9 (102°C)
508.1 (125°C)
782.1 (134.2°C)

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

    115.5 (s)

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

    274.2 (s)

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

    112.5 (s)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-14
    2. Encyclopedia of inorganic chemistry. - editor R. Bruce King, 2 Ed., 10 volume set. - 2005
    3. Perry D.L. Handbook of Inorganic Compounds. - 2nd ed. - CRC Press, 2011. - pp. 18
    4. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1104
    5. Багал Л.И. Химия и технология инициирующих взрывчатых веществ. - М., 1975. - pp. 161-164 [Russian]
    6. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 96-97 [Russian]
    7. Новый справочник химика и технолога. Химическое равновесие. Свойства растворов. - СПб.: НПО Профессионал, 2004, 2007. - pp. 237 [Russian]
    8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 216 [Russian]
    9. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 22-23 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru