| Names | |
|---|---|
| IUPAC name lithium azide | |
| Identifiers | |
3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.039.237 |
| |
| |
| Properties | |
| LiN3 | |
| Molar mass | 48.96 g·mol−1 |
| Melting point | 115 °C (239 °F; 388 K) |
| 36.12 g/100 g (10 °C) 62.07 g/100 g (15.5 °C) 66.41 g/100 g (16 °C)[2] | |
| Solubility | 20.26 g/100 g (16 °C,ethanol)[2] |
| Hazards | |
| GHS labelling: | |
| Safety data sheet (SDS) | External SDS |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Lithium azide is thelithium salt ofhydrazoic acid. It is an unstable and toxic compound that decomposes intolithium andnitrogen when heated.
It can be prepared bymetathesis reaction betweensodium azide andlithium nitrate orlithium sulfate solutions:
It can also be prepared by reacting lithium sulfate withbarium azide.