Pigment Yellow 74

Pigment Yellow 74 is an azo dye and classified as an arylide yellow.

It is an intensely yellow-green solid.

[1] It is prepared by azo coupling of the diazonium derivative of 2-methoxy-4-nitroaniline with 2-methoxyacetoacetanilide.

[2] It is a flat molecule, enforced by the hydrogen-bonding via the ketohydrazide group.

[3] Pigment Yellow 74 is a popular component of artist's paints[4] and tattoo inks.