Aminodiphenylmethane hydrochloride is primarily utilized in organic synthesis as an intermediate for the production of various chemical compounds. It plays a significant role in the development of dyes and pigments, contributing to the vibrant colors in textiles and industrial materials. Additionally, it is employed in the pharmaceutical industry for the synthesis of certain active pharmaceutical ingredients (APIs), particularly antihistamines and central nervous system-related drugs, aiding in the creation of medications. Its application extends to research laboratories, where it is used as a reagent in chemical reactions to study and develop new compounds.