Specification :

Description CAS No.: 7757-79-1
English name
potassium nitrate; nitre; saltpetre
Structure or formula
KNO3 Formula
Molecular weight or atomic weight
101.10
Density
2.109 ( 16  )
Melting point (  )
334
Characters
Colorless transparent prismatic crystal or powder
Dissolve
Soluble in water, dilute ethanol, glycerin, insoluble in ethanol and ether.
Use
Used in making gunpowder, glass, matches, and used as fertilizer and analysis reagents, potassium nitrate KNO3, molecular weight 101.11, orthorhombic colorless transparent diamond crystals or white powder, soluble in water, insoluble in alcohol, easily in the air Deliquescence, the product is strong oxidant, and organics can burn explosion. Mainly used in fireworks, black powder, matches, fuses, candles, tobacco, color TV picture tubes, drugs, chemical reagents, catalysts, ceramic glazes, glass, fertilizer, and flowers, vegetables, fruit trees and other cash crops sprayed Fertilizers. In addition, the metallurgical industry, food industry and other accessories for the potassium nitrate.
Preparation or sources
Saltpeter from the natural products. Silver nitrate solution and potassium chloride may be the role of the system.
Edit this paragraph physical characteristics
Content
Industrial grade level & ge; 99.5% ; two & ge; 99.0% ; three & ge; 98% .
Appearance:
Colorless orthorhombic or trigonal or white granular powder.