potassium dichromate

Potassium dichromate Molecular formula: K2Cr2O7 Cas No.: 7778-50-9 Molecular weight: 294.18 Brand name: JINYA Property: Orange triclinic crystal, Non-Hydroscopic, water-soluble in alcohol, toxic, strong oxidizer, flammable in friction or collision with organic compounds. Quality standard: HG/T 2570-94 Item Index Excellence grade First grade Standard grade K2Cr2o7 content 99.8 99.5 99.0 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 ---------- Package: reinforced woven bag with plastic inner. Net weight: 25,40,50kg per bag. Usage: Manufacture of chrome oxides, potassium chromate, chrome yellow pigment, surface passivation of steel, manufacture of welding rods, matches, chromic potassium sulphate and chemical reagents. Used as an oxidant.