Sodium Azide Crystal NaN3
This is used as a preservative or biocide in biosciences to stop microbiological activity.
In various buffer and storage solutions. Commonly used as a 0.01% v/v in solution
It is a constituent of 1xPBS, 1x TBS and other cell biology buffer solutions, having a bacteriostatic properties, by inhibiting Cytochrome C pathways in bacteria.
Molar mass: 65.0099 g/mol
Melting point: 275 °C
Density: 1.85 g/cm³
Soluble in: Water
Also used in the car industry as a gas forming component in air bags!