2-[[1-[[(2,3-dihydro-2-oxo-1h-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]benzoic acid

This compound is an azo pigment used for coloring plastics, typically at a concentration of around 2% in plastic materials. It is derived from a benzimidazolone structure, contributing to its thermal stability and color properties.