N-Ethylbenzylamine is primarily used in organic synthesis as an intermediate for the production of various pharmaceuticals, agrochemicals, and specialty chemicals. It serves as a building block in the creation of compounds like antihistamines, local anesthetics, and other therapeutic agents. Additionally, it is employed in the development of corrosion inhibitors and surfactants due to its amine functionality. In research, it is utilized as a reagent for modifying or synthesizing complex molecules. Its versatility in chemical reactions makes it valuable in industrial and laboratory settings.