Used primarily as a dye in various industrial applications, it is employed in coloring textiles, plastics, and other materials due to its vibrant color properties. In research, it serves as a model compound in studies related to azo dyes and their behavior under different chemical conditions. Additionally, it is utilized in analytical chemistry as a pH indicator, helping to determine the acidity or alkalinity of solutions. Its role in photochemical studies is also notable, where it aids in understanding light-induced reactions and degradation processes of azo compounds.