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Copper(II) azide

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Chemical compound
Copper(II) azide
Names
IUPAC name Copper(II) azide
Other names Cupric azide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Cu.2N3/c;2*1-3-2/q+2;2*-1Key: SXHYOTRZGGGMEV-UHFFFAOYSA-N
  • InChI=1/Cu.2N3/c;2*1-3-2/q+2;2*-1Key: SXHYOTRZGGGMEV-UHFFFAOYAL
SMILES
  • == =
  • .==.==
Properties
Chemical formula Cu(N3)2
Molar mass 147.586 g/mol
Appearance brown orthorhombic crystals
Density 2.6 g/cm
Melting point Explodes when heated
Hazards
GHS labelling:
Pictograms GHS01: ExplosiveGHS06: Toxic
Signal word Danger
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 4: Readily capable of detonation or explosive decomposition at normal temperatures and pressures. E.g. nitroglycerinSpecial hazards (white): no code
3 0 4
NIOSH (US health exposure limits):
PEL (Permissible) TWA 1 mg/m (as Cu)
REL (Recommended) TWA 1 mg/m (as Cu)
IDLH (Immediate danger) TWA 100 mg/m (as Cu)
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 , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

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 Cu and azide ions. (Spectator ions omitted in reaction below).

Cu + 2 N−3 → Cu(N3)2

It can be destroyed by concentrated nitric acid to form non-explosive products, these being nitrogen, nitrogen oxides and copper(II) nitrate.

References

  1. Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–55, ISBN 0-8493-0594-2
  2. ^ NIOSH Pocket Guide to Chemical Hazards. "#0150". National Institute for Occupational Safety and Health (NIOSH).
Copper compounds
Cu(0,I)
Cu(I)
Cu(I,II)
Cu(II)
Cu(III)
Cu(IV)
Salts and covalent derivatives of the azide ion
HN3 He
LiN3 Be(N3)2 B(N3)3 CH3N3
C(N3)4
CO(N3)2 		NH4N3
N3NO
N(N3)3
H2N–N3 		O FN3 Ne
NaN3 Mg(N3)2 Al(N3)3 Si(N3)4 P SO2(N3)2 ClN3 Ar
KN3 Ca(N3)2 Sc(N3)3 Ti(N3)4 VO(N3)3 Cr(N3)3
CrO2(N3)2 		Mn(N3)2 Fe(N3)2
Fe(N3)3 		Co(N3)2
Co(N3)3 		Ni(N3)2 CuN3
Cu(N3)2 		Zn(N3)2 Ga(N3)3 Ge As(N3)5 Se(N3)4 BrN3 Kr
RbN3 Sr(N3)2 Y(N3)3 Zr(N3)4 Nb Mo Tc Ru(N3)6 Rh(N3)6 Pd(N3)2 AgN3 Cd(N3)2 In Sn Sb(N3)5 Te(N3)4 IN3 Xe(N3)2
CsN3 Ba(N3)2 * Lu(N3)3 Hf Ta W Re Os Ir(N3)6 Pt(N3)6 Au(N3)4 Hg2(N3)2
Hg(N3)2 		TlN3 Pb(N3)2 Bi(N3)3 Po At Rn
Fr Ra(N3)2 ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
 
* La(N3)3 Ce(N3)3
Ce(N3)4 		Pr Nd Pm Sm(N3)3 Eu(N3)2
Eu(N3)3 		Gd(N3)3 Tb Dy(N3)3 Ho(N3)3 Er Tm Yb(N3)3
** Ac(N3)3 Th(N3)4 Pa UO2(N3)2 Np Pu Am Cm Bk Cf Es Fm Md No


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