Used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals. It plays a key role in the preparation of 3-aminobenzoic acid derivatives via reduction, which are important in the manufacture of certain drugs, fluorescent dyes, and UV-absorbing compounds. Also employed in organic research for nitration and carboxylation studies due to its nitro and carboxylic acid functional groups. Its derivatives are explored in the development of corrosion inhibitors and polymer additives.