Cobalt(II) azide

Cobalt(II) azide

Names
IUPAC name Cobalt(II) diazide
Other names Cobalt diazide
Identifiers
CAS Number	14215-31-7
3D model (JSmol)	Interactive image
ChemSpider	3470740
PubChem CID	50912166
InChI InChI=1S/Co.2N3/c;2*1-3-2/q+2;2*-1 Key: XRKZTILYATXYGV-UHFFFAOYSA-N
SMILES [N-]=[N+]=[N-].[N-]=[N+]=[N-].[Co+2]
Properties
Chemical formula	Co(N3)2
Molar mass	142.97 g/mol
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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. ^[1]

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. ^[2] 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.