Pigment Yellow 14
Pigment Yellow 14 is an organic compound classified as an azo compound. It is a commercial 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 xylyl groups are replaced by an ortho tolyl. It is often depicted as an azo structure, but according to X-ray crystallography closely related compounds exist as the keto-hydrazide tautomers.