Primarily used in organic synthesis, it serves as a key intermediate in the production of dyes and pigments, particularly for textiles and inks. Its dihydrochloride form enhances solubility, making it suitable for various chemical reactions. Additionally, it is utilized in the preparation of pharmaceutical compounds, especially those targeting specific enzyme inhibitors. In research, it acts as a building block for developing novel organic molecules with potential biological activity. Its stability and reactivity also make it valuable in analytical chemistry for the development of detection methods and reagents.