13530-68-2 30441-38-4 Chromic acid Chromic acid (H2Cr2O7) Chromic acid, solid [NA1463] [Oxidizer] Chromic acid, solution [UN1755] [Corrosive] DICHROMIC (VI) ACID Dichromic acid Dichromic acid (H2Cr2O7) Dichromic(VI) acid EINECS 236-881-5 NA1463 UN1755