Lead(II) azide

Lead(II) azide Pb(N3)2 is an inorganic compound. More so than other azides, it is explosive. It is used in detonators to initiate secondary explosives. In a commercially usable form, it is a white to buff powder.

Lead(II) azide
Names
IUPAC name
Diazidolead
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.206
EC Number
  • 236-542-1
PubChem CID
UNII
UN number 0129
  • InChI=1S/2N3.Pb/c2*1-3-2;/q2*-1;+2 N
    Key: ISEQAARZRCDNJH-UHFFFAOYSA-N N
  • InChI=1S/2N3.Pb/c2*1-3-2;/q2*-1;+2
    Key: ISEQAARZRCDNJH-UHFFFAOYSA-N
SMILES
  • [N-]=[N+]=N[Pb]N=[N+]=[N-]
Properties
Pb(N3)2
Molar mass 291.2 g·mol−1
Appearance White powder
Density 4.71 g/cm3
Melting point 190 °C (374 °F; 463 K) decomposes, explodes at 350 °C
2.3 g/100 mL (18 °C)
9.0 g/100 mL (70 °C)
Solubility Very soluble in acetic acid
Insoluble in ammonia solution, NH4OH
Thermochemistry
Std enthalpy of
formation (ΔfH⦵298)
 462.3 kJ/mol
Explosive data
Shock sensitivity High
Friction sensitivity High
Detonation velocity 5180 m/s
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Harmful, explosive
GHS labelling:
Danger
H200, H302, H332, H360, H373, H410
NFPA 704 (fire diamond)
3
0
4
350 °C (662 °F; 623 K)
Related compounds
Other cations
 Potassium azide
Sodium azide
Copper(II) azide
Related compounds
 Hydrazoic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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