... . 7757-79-1 Supply Potassium nitrate ,Shanxi wentong potassium nitrate,price quotation of potassium nitrate,supplier of potassium nitrate99.4% ... 2.109 melting point: 334 °CThe English name potassium nitrate; Nitre; SaltpetreThe structure or molecular formula KNO3The relative molecular ... matches, and used as fertilizer and analysis reagent, potassium nitrate, easier, the molecular weight of 101.11, for ...