Used as an intermediate in the synthesis of pharmaceuticals, particularly in the production of local anesthetics and antihistamines. It plays a role in the preparation of compounds that exhibit biological activity, such as antispasmodic and anticholinergic agents. Additionally, it is utilized in organic synthesis to introduce the diethylaminoethyl group into other molecules, enhancing their pharmacological properties. Its hydrochloride form ensures stability and solubility in various formulations, making it suitable for use in drug development and research.