Used primarily in the synthesis of dyes and pigments, it serves as an intermediate in the production of various colorants for textiles and industrial applications. It is also employed in the manufacture of pharmaceuticals, where it acts as a precursor for certain active ingredients. In agricultural chemistry, it finds use in the development of pesticides and herbicides. Additionally, it is utilized in organic research laboratories for studying nitration reactions and other chemical processes. Its role in analytical chemistry includes being a standard or reagent in specific test methods.