Lithium azide

Lithium azide
Names
IUPAC name
lithium azide
Identifiers
19597-69-4
ChemSpider 79536
Jmol interactive 3D Image
PubChem 88163
Properties
LiN3
Molar mass 48.96 g·mol−1
Melting point 115 °C (239 °F; 388 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Lithium azide unit cell[1]

Lithium azide is the lithium salt of hydrazoic acid. It is an unstable and toxic compound that decomposes into lithium and nitrogen when heated.

Preparation

It can be prepared by metathesis reaction between sodium azide and lithium nitrate:

NaN3 + LiNO3 → LiN3 + NaNO3

or lithium sulfate solutions:

2 NaN3 + Li2SO4 → 2 LiN3 + Na2SO4[2]

Notes

  1. Pringle, G. E.; Noakes, D. E. (February 1968). "The crystal structures of lithium, sodium and strontium azides". Acta Crystallogr. B 24 (2): 262–269. doi:10.1107/S0567740868002062.
  2. http://www.lambdasyn.org/synfiles/lithiumazid.htm

References


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