2-(4-Aminophenyl)ethylamine Dihydrochloride is widely used in the synthesis of various pharmaceutical compounds. It serves as a key intermediate in the production of drugs targeting neurological disorders, particularly those involving serotonin and dopamine pathways. Its structure makes it valuable in the development of antidepressants, antipsychotics, and other CNS-active medications. Additionally, it is utilized in biochemical research for studying receptor interactions and enzyme mechanisms. The compound’s amine groups also make it suitable for conjugation in the preparation of fluorescent probes and other diagnostic tools. In industrial settings, it is employed in the manufacture of dyes and pigments due to its aromatic amine properties.