Potassium dichromate, min. 99,5 %, p.a., ACS, ISO, Molar mass (M) 294,18 g/mol, Density (D) 2,68 g/cm³, CAS No. [7778-50-9], UN-Nr. 3086, EG-Nr. 231-906-6, Empirical formula K2Cr2O7