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        1. Detail

          Potassium Nitrate

          Product name: Potassium Nitrate  
          Molecular formula: KNO
          Molecular weight: 101.1 
          CAS NO.:7757-79-1
          HS CODE: 28342190
          UN NO.: 1486   5.1 type oxidizing agent 
          Properties and uses: Colorless transparent orthorhombic or rhombic crystal or white powder. Easily soluble in water, soluble in liquid ammonia and glycerin, insoluble in absolute ethyl alcohol and diethyl ether. It can cause combustion or explosion in contact with reducing agent carbon, sulfur, titanium and other metal powders.
          It is mainly used in producing purple flame, black powder; metal heat treatment salt bath; lamp glass, optical glass; agricultural fertilizer.

          Standard: GB1918-98

          Main indicators Unit Superior grade Industrial grade Agricultural grade Ceramic grade
          Assay %>= 99.8 99.4 99 96
          Moisture %<= 0.10 0.10 0.10 0.10
          Chloride %<= 0.02 0.03 0.03 0.08
          Water insoluble matter %<= 0.01 0.01 0.02 0.15
          Sulfate %<= 0.02 0.02 - -
          Iron %<= 0.003 0.01 - 0.003
          Potassium oxide %>= - - 46.0 44
          Nitrogen %>= - - 13.5 13.5
          Sodium %<= - - - 0.007
          Sodium oxide %<= - - - 0.01

          Packing: 25/50kg woven bag lined with plastic, or according to the customer's requirements.

           





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