

Potassium nitrate is a chemical compound with the chemical formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3−, and is therefore an alkali metal nitrate. Major uses of potassium nitrate are in fertilizers, tree stump removal, rocket propellants and fireworks.
Producer:Van Iperen
Density
1.2 +/- 0.2g/cm³
pH
9.5 +/- 1.5 (in 5% solution)
Solubility
300g/L