1,5-Dioxa-9-azaspiro[5.5]undecane, hydrochloride is primarily utilized in organic synthesis as a versatile building block for the creation of complex molecular structures. Its spirocyclic framework makes it valuable in the development of pharmaceuticals, particularly in the design of drug candidates with enhanced stability and bioavailability. The compound is also employed in the synthesis of ligands for catalysis, aiding in the development of efficient and selective catalytic processes. Additionally, it finds application in material science, where it contributes to the creation of novel polymers and advanced materials with tailored properties. Its hydrochloride form ensures improved solubility and handling in various chemical reactions.