CROMOPHTAL RED 2B)

C.I. Pigment Red 221

Pigment red 221 (C.I. 20065)

diisopropyl 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthylene)azo]]bis[4-methylbenzoate]

3,3'-[(2,5-Dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthalenediyl)azo]]bis(4-methylbenzoic acid 1-methylethyl) ester

Benzoic acid, 3,3-(2,5-dichloro-1,4-phenylene)bisiminocarbonyl(2-hydroxy-3,1-naphthalenediyl)azobis4-methyl-, bis(1-methylethyl) ester