Potassium nitrate is white crystal or prill product, easily soluble ,low heavy metal, ISO9001 certified supplier Potassium nitrate is white crystal or prill product, easily soluble ,low heavy metal, ISO9001 certified supplier Potassium nitrate MF: KNO3 MW: 101.1 CAS NUMBER: 7757-79-1Properties and applications:Potassium Nitrate is colorless crystal or white powder. It is easily soluble in the ...