Sodium nitrite is an industrial salt, are amines, molecular formula NaNO2, is white or light yellow rhombic crystals, although very similar to sodium chloride and salt, but toxic, can not eat, and are carcinogenic.
Soluble in water and liquid ammonia, aqueous stability, and slightly soluble in methanol, ethanol, ether.
Absorb oxygen from the air into sodium nitrate, both the reduction, but also oxidation. Mordant for fabric dyeing, silk, linen bleaching agent, metal heat treatment agent, steel corrosion inhibitor, an antidote for cyanide poisoning, laboratory analytical reagents, used in meat processing in hair color agent, put Microbiology agents and Preservatives.