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Properties of substance:

lead(II) azide α-form

Group of substances:

inorganic

Physical appearance:

colorless rhombic crystals

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

N6Pb

Structural formula as text:

Pb(N3)2

Molar/atomic mass: 291.23

Decomposition temperature (°C):

350

Solubility (g/100 g of solvent):

acetic acid: very soluble [Ref.]
water: 0.023 (18°C) [Ref.]
water: 0.09 (70°C) [Ref.]

Numerical data:

Year of discovery: 1891
Heat of Explosion (kJ/kg): 1630
Detonation velocity (m/s): 5300
Detonation velocity (m/s): 4500

Density:

4.71 (20°C, g/cm3)

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

482 (s)

References:

  1. Багал Л.И. Химия и технология инициирующих взрывчатых веществ. - М., 1975. - pp. 203-234 [Russian]
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 192-193 [Russian]
  3. Химическая энциклопедия. - Т. 4. - М.: Советская энциклопедия, 1995. - pp. 303 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru