Used primarily as an intermediate in organic synthesis, especially in the preparation of dyes and pigments due to the presence of nitro groups that facilitate chromophore formation. It also finds application in the development of analytical reagents for detecting amines and amino acids through derivatization, enhancing detectability in chromatographic methods. The compound’s acidic functionality and aromatic nitro groups make it useful in coordination chemistry for forming metal complexes with catalytic activity. Additionally, it has been explored in research settings for developing sensors and molecular probes, leveraging its electron-withdrawing groups for signal transduction.