Used primarily as a corrosion inhibitor in metalworking fluids and cooling systems, it effectively protects copper and its alloys from tarnishing and corrosion. It is also employed in the production of photographic materials to stabilize silver halide emulsions. Additionally, it serves as a UV absorber in plastics and coatings, enhancing their durability against sunlight exposure. In the pharmaceutical industry, it acts as an intermediate in the synthesis of various active compounds. Its versatility makes it valuable in diverse industrial applications.