5、Potassium nitrate

[Product name] ：           Potassium nitrate

[Molecular formula] ：     KNO?

[Molecular weight]：       101.1032

[CAS code]：                   7757-79-1

[Product specifications]：
Appearance：            colorless transparent rhombic or trigonal crystal grains or white powder
Melting point (℃)：       334
Boiling point (℃) ：      400
Water solubility：       soluble in water, soluble in glycerol, insoluble in anhydrous ethanol, ether. 
Density (water =1) ：     2.11
Potassium nitrate (KNO3)  ≥99.0%
Water content            ≤0.3%
Potassium oxide content   ≥44%
Total nitrogen content     ≥13.5%

[Product use]：
Used in the manufacture of fireworks, gunpowder, matches, medicine, and the glass industry. 

[Packing specification]：
Packing：25/50kg bag packing with inner plastic and outer woven bags