Pigment Yellow 83 is an organic compound that is classified as a diarylide pigment.

The compound is synthesized from three components.

Treatment of 2,5-dimethoxy-4-chloroaniline with diketene gives an acetoacetylated aniline.

This compound is then coupled to the bisdiazonium salt obtained from 3,3'-dichlorobenzidine.

[1] As confirmed by X-ray crystallography, the compound exists as a bis(keto-hydrazide) tautomer, not a true diazo compound.