Barium azide

Barium azide is an inorganic azide with the formula Ba(N3)2. Like most azides, it is explosive. It is less sensitive to mechanical shock than lead azide.
Uses.
Barium azide can be used to make azides of magnesium, sodium, potassium, lithium, rubidium and zinc with their respective sulfates.
It can also be used as a source for high pure nitrogen by heating:
This reaction liberates metallic barium, which is used as a getter in vacuum applications.