Used primarily as a dye intermediate in the production of hair dyes, it imparts long-lasting color to hair by reacting with other chemicals to form pigments. It is also utilized in the textile industry for dyeing fur and fabrics, providing deep, durable shades. Additionally, it serves as a key component in the manufacture of certain polymers and antioxidants, enhancing their performance and stability. In the field of photography, it acts as a developing agent for black-and-white film, contributing to image clarity and contrast. Its applications extend to rubber chemicals, where it aids in the vulcanization process, improving the strength and elasticity of rubber products.