Sodium Nitrite is a white to slightly yellow, crystalline powder that is very soluble in water and very hygroscopic.
Sodium Nitrite is used in the industrial production of organonitrogen compounds. It is also used in a variety of metallurgical applications and as an effective corrosion inhibitor.
UN1500, Sodium Nitrite, 5.1, PG II
Sodium Nitrite is usually available in 50 lb bags, 25 kg bags and bulk.