potassium nitrate

Common name: soil nitrate and fire nitrate
English Name: potassium nitrate
Molecular formula: KNO3
Molecular weight: 101.1
CAS NO.:7757-79-1
HS CODE: 28342190
UN No.: 1486 type 5.1 oxidant

Properties and uses: colorless transparent orthorhombic or rhombic crystal or white powder, easily soluble in water, soluble in liquid ammonia and glycerol, insoluble in absolute ethanol and ether. It is not easy to deliquesce in the air. It is a strong oxidant. Contact with reducing agent carbon, sulfur, titanium and other metal powders can cause combustion or explosion.

It is mainly used to make purple flame and black powder; Metal heat treatment salt bath; Manufacturing lamp glass shell, optical glass, picture tube glass shell; It is also used for ceramic glaze, color medicine and agricultural fertilizer.