Used primarily in the pharmaceutical industry as an intermediate in the synthesis of various drugs, including local anesthetics like procaine. It also finds application in the production of dyes and pigments, where it acts as a precursor. In the cosmetic industry, it is utilized in sunscreen formulations due to its UV-absorbing properties. Additionally, it serves as a buffering agent in biochemical and molecular biology research to maintain stable pH conditions in various experiments. Its role in the synthesis of folic acid derivatives further highlights its importance in nutritional and therapeutic applications.