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Top selling products 99% potassium dichromate K2Cr2O7 for sale
1.Description:
Product Name: Potassium Dichromate/Potassium Bichromate
Chemical Formula: K2Cr2O7 , molecular weight 294.18
Orange-red triclinic crystal. Non-hygroscopic, soluble in water, but insoluble in
alcohol.
Strong oxidation. Flammable in friction or collision with organic compounds.
Poisonous.
2.Application:
manufacture of chrome oxide, potassium chromate, chrome yellow pigment, welding rods,matches and chromic potassium sulfate; surface passivation of steel; chemicals reagent and oxidant;
3.Specifications:
Item | Excellence grade | First grade | Standard grade |
K2Cr2o7 content | 99.8 | 99.5 | 99 |
Chlorides (Cl)% | 0.050 | 0.050 | 0.080 |
Insoluble % | 0.020 | 0.020 | 0.050 |
Sulfates ( SO4-2) % | 0.020 | 0.050 | - |
Na+ % | 0.01 | 0.01 | - |
Moisture % | 0.030 | 0.030 | - |
4.Notice:
(1). Avoid moisture, heat and shock during storage and transportation. Keep away from
combustibles.
(2) Do not store with foodstuff or strong reducers.
(3). Avoid contacting with eyes and skin.
(4). Personal protective appliance should be equipped with, such as self-suction
respirator, acid-proofing rubber gloves, security coat and boot, chemical-resistant
protective glasses.
(5). In case of leakage, reduce with 10% sulfuric acid and ferrous sulfate, and neutralize
with calcium oxide immediately.