Sodium Nitrate
ALTERNATIVE NAMES
Chile Saltpeter, Soda Niter
TECHNICAL SPECIFICATIONS
CAS
7631-99-4
EC
231-554-3
Food Code
E251
Sodium nitrate, known as Chile saltpeter, is a white crystalline solid with formula NaNO3 and molecular weight 84.99 g/mol. Density 2.26 g/cm³, melting point 308°C, decomposes above 380°C; highly soluble in water (921 g/L at 25°C), hygroscopic with neutral pH. Produced via neutralization of nitric acid with sodium carbonate.
Sodium Nitrate
Used in fertilizers, food preservatives, glass manufacturing, as an oxidizer in explosives, pyrotechnics, and solar energy storage systems.
Strong oxidizer; fire risk with combustibles, toxic if ingested causing methemoglobinemia. Irritates skin/eyes; Hazard Class 5.1 for transport.
In 25kg bags or bulk; store away from organics; rinse containers for recycling or puncture for sanitary disposal.
