Description Potassium Dichromate, ACS, 99+%, 100g For Research & Development Not for drug, human, animal, or food use Specifications:Meets A.C.S. RequirementsAppearance (Color) OrangeAppearance (Form) CyrstalsAssay (Titration by Na2S2O3) 99+%Insoluble Matter <0.005%Loss on Drying <0.05%Chloride <0.001%Sulfate <0.005%Calcium <0.003%Iron <0.001%Sodium <0.02%X-Ray Diffraction Conforms to Structure CAS: 7778-50-9 FORMULA: K2Cr2O7