In airbag inflation, as a preservative in diagnostic medicinals.Sodium azide is used in organic synthesis for the introduction of an azide group to prepare a desired compound. It acts as a precursor to prepare inorganic azides like lead azide and silver azide. In biochemistry, it is useful as a probe reagent and a preservative. It also acts as a nitridizing agent and cytochrome oxidase inhibitor. Further, it is used as a propellant in airbags.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.