Pigment Yellow 12
Pigment Yellow 12 is an organic compound and an azo compound. It is a widely used yellow pigment. It is also classified as a diarylide pigment, being derived from 3,3'-dichlorobenzidine. It is closely related to Pigment Yellow 13, wherein the two phenyl groups are replaced by 2,4-xylyl. According to X-ray crystallography, the molecule is nearly planar and exists as the keto-hydrazide tautomer.