13446-73-6 Chromic acid (H2Cr2O7), dirubidium salt (9CI) Dichromic acid (H2CrO7), dirubidium salt (8CI) Dirubidium dichromate EINECS 236-602-7 Rubidium dichromate Rubidium dichromate(VI) (RbCr2O7) (6CI,7CI)