Used primarily as an intermediate in the synthesis of dyes and pigments, particularly for coloring textiles, paper, and leather. It plays a key role in producing azo dyes, which are valued for their vibrant colors and stability. Additionally, it is employed in the manufacture of hair dyes, providing long-lasting and intense shades. In industrial applications, it is utilized in the production of corrosion inhibitors and antioxidants, helping to protect metals and polymers from degradation. Its derivatives are also explored in pharmaceutical research for potential therapeutic agents.