• 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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