Used as an intermediate in the synthesis of dyes and pharmaceuticals, particularly in the development of compounds with photochromic or UV-absorbing properties. It also serves in analytical chemistry as a derivatizing agent for detecting amines and amino acids due to its ability to form colored complexes. Its nitro and carboxylic functional groups make it useful in coordination chemistry for forming metal complexes with catalytic activity. Additionally, it has been explored in agrochemical formulations for its potential role in enhancing photostability of active ingredients.