Product introduction: Molecular formula: Cr3(OHx)(HCOO)y x+y=9 molecular weight: 187.14 Description: dark green crystals or crystalline powder.300-400 decomposition into Cr2O3. Application: mainly used for tanning leather, mordant dyeing and trivalent chromium plating.And film and photography.It can also be used as chemical reagent, olefin polymerization catalyst, oxidation catalyst, used for latex hardening, drilling slurry, dye industry as complexing agent, electroplating industry with trivalent chromium.