Used as an intermediate in the synthesis of azo dyes and pigments, particularly for producing yellow and orange shades with good lightfastness. Also employed in the development of certain pharmaceuticals where nitroaromatic compounds serve as precursors for reduction to amino derivatives. Its carboxylic acid functionality allows for esterification or salt formation, enhancing solubility or enabling conjugation in specialty chemical applications. Additionally, it finds use in research settings for preparing ligands in coordination chemistry due to its ability to act as a chelating agent.