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  • Chrome Chemicals Home >  Product Center  > Categories > Chrome Chemicals
    Potassium Dichromate

    1. Characters
    Molecular Formula: K2Cr2O7, molecular weight: 294.18
    Orange red triclinic crystal, non-hygroscopic, soluble in water but insoluble in alcohol. Strong oxidizer, Poisonous, flammable in friction or collision with organic compounds.
    2. Uses
    Mainly used for the manufacture of chromic oxide, potassium chromate, chromate yellow pigment, welding electrode, match, chromic potassium alum and chemical reagent. Also used as oxidizer and in steel passivation.
    3. Packing
    Packed in high-strength composite plastic woven bags, Net Weight 25kg/50kg.
    4. Cautions
    1) Do not store together with food and strong reducing agent.
    2) In storage or transportation, it should be kept away from moisture, colliding, heat and flammable materials and handled with care.
    5.  Standard
      HG/T172324-2005

     Product Index


    Index Name

    Index

    Excellent Grade

    1st Grade

    K2Cr2O7        %

    99.7

    99.5

    SO4         %

    0.02

    0.05

    Cl          %

    0.05

    0.05

    Water insolubles  %

    0.02

    0.05

       Moisture        %

    0.03

    0.05

    Na          %

    0.5

    1


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