It is used as an intermediate in the synthesis of dyes and pigments, especially in hair dyes. It also plays an important role in organic synthesis. Additionally, it is key building block in the production of various hair coloring dyes. Its reactivity with other chemicals enables the creation of wide range of colored pigments. Beside this, it is involved in the synthesis of various pharmaceutical products. It is also utilized in the preparation of pharmaceuticals products. It also acts as an antioxidant in rubber products. Moreover, it is utilized in various types of polymers, including those used in biomedical fields. It is also used as a corrosion inhibitor on reacting with nitrous acid to form benzotriazole. It also plays an important role to detect the presence of certain substances in numerous samples.