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Cobalt(II) azide

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Cobalt(II) azide
Names
IUPAC name Cobalt(II) diazide
Other names Cobalt diazide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
PubChem CID
InChI
  • InChI=1S/Co.2N3/c;2*1-3-2/q+2;2*-1Key: XRKZTILYATXYGV-UHFFFAOYSA-N
SMILES
  • ==.==.
Properties
Chemical formula Co(N3)2
Molar mass 142.97 g/mol
Hazards
GHS labelling:
Pictograms GHS01: Explosive
Signal word Danger
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Cobalt(II) azide is an inorganic chemical compound with the formula Co(N3)2. It can be formed through the reaction between dicobalt octacarbonyl and iodine azide.

Co2(CO)8 + 4IN3 → 2Co(N3)2 + 8CO + 2I2

Properties

Aqueous solutions of cobalt(II) azide change in color when introduced to suitable organic solvents, from pink-violet to a blue shade. Like most azides, it is explosive.

References

  1. Dehnicke, K.; Dübgen, R. (1 September 1978). "Die Reaktionen des Jodazids mit Metallcarbonylen". Zeitschrift für anorganische und allgemeine Chemie (in German). 444 (1): 61–70. doi:10.1002/zaac.19784440106. ISSN 0044-2313. Archived from the original on 2022-10-24. Retrieved 2023-10-30.
  2. Senise, Paschoal (27 February 1959). "On the Reaction between Cobalt(II) and Azide Ions in Aqueous and Aqueous-organic Solutions". J. Am. Chem. Soc. 81 (16): 4196–4199. doi:10.1021/ja01525a020. Retrieved 30 October 2023.
Cobalt compounds
Cobalt(I)
Cobalt(II)
Cobalt(0,III)
Cobalt(II,III)
Cobalt(III)
Cobalt(III,IV)
Cobalt(IV)
Cobalt(V)
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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