Copper(II) azide
Names | |
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IUPAC name
Copper(II) azide | |
Identifiers | |
14215-30-6 | |
3D model (Jmol) | Interactive image Interactive image |
ChemSpider | 21106430 |
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Properties | |
Cu(N3)2 | |
Molar mass | 147.586 g/mol |
Appearance | brown orthorhombic crystals |
Density | 2.6 g/cm 3 |
Melting point | (explodes) |
Hazards | |
EU classification (DSD) |
Toxic (T) Explosive (E) |
NFPA 704 | |
US health exposure limits (NIOSH): | |
PEL (Permissible) |
TWA 1 mg/m3 (as Cu)[2] |
REL (Recommended) |
TWA 1 mg/m3 (as Cu)[2] |
IDLH (Immediate danger) |
TWA 100 mg/m3 (as Cu)[2] |
Related compounds | |
Other cations |
Lead(II) azide Silver azide Sodium azide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references | |
Copper(II) azide is a medium density explosive with the molecular formula Cu(N3)2.
Uses
Copper azide is very explosive and is too sensitive for any practical use unless handled in solution.
Preparation
Copper azide can be prepared by a metathesis reaction between water-soluble sources of Cu2+ and azide ions. (Spectator ions omitted in reaction below).
- Cu2+ + 2 N3− → Cu(N3)2
It can be destroyed by nitric acid to form non-explosive products:
- Cu(N3)2 + 2HNO3 → 3N2 + 2NO2 + Cu(OH)2
References
- ↑ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–55, ISBN 0-8493-0594-2
- 1 2 3 "NIOSH Pocket Guide to Chemical Hazards #0150". National Institute for Occupational Safety and Health (NIOSH).
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