Jump to content

Cobalt(II) azide

From Wikipedia, the free encyclopedia
Cobalt(II) azide
Names
IUPAC name
Cobalt(II) diazide
Other names
Cobalt diazide
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/Co.2N3/c;2*1-3-2/q+2;2*-1
    Key: XRKZTILYATXYGV-UHFFFAOYSA-N
  • [N-]=[N+]=[N-].[N-]=[N+]=[N-].[Co+2]
Properties
Co(N3)2
Molar mass 142.97 g/mol
Hazards
GHS labelling:
GHS01: Explosive
Danger
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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

[edit]

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

[edit]
  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.