Chemistry:Cobalt(II) azide

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Cobalt(II) azide
Names
IUPAC name
Cobalt(II) diazide
Other names
Cobalt diazide
Identifiers
3D model (JSmol)
ChemSpider
Properties
Co(N
3
)
2
Molar mass 142.97 g/mol
Hazards
GHS pictograms GHS01: Explosive
GHS 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(N
3
)
2
. It can be formed through the reaction between dicobalt octacarbonyl and iodine azide.[1]

Co
2
(CO)
8
+ 4IN
3
→ 2Co(N
3
)
2
+ 8CO + 2I
2

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" (in de). Zeitschrift für anorganische und allgemeine Chemie 444 (1): 61–70. doi:10.1002/zaac.19784440106. ISSN 0044-2313. https://onlinelibrary.wiley.com/doi/10.1002/zaac.19784440106. 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. https://pubs.acs.org/doi/10.1021/ja01525a020. Retrieved 30 October 2023.