1,4-Dithia-8-azaspiro[4.6]undecane hydrochloride is primarily used in organic synthesis as a building block for the development of complex molecules. Its unique spirocyclic structure makes it valuable in the creation of pharmaceuticals, particularly in the design of drugs targeting neurological disorders. The compound is also explored in material science for the development of novel polymers and coatings due to its stability and reactivity. Additionally, it serves as a ligand in coordination chemistry, aiding in the study of metal complexes and catalysis. Its applications extend to agricultural chemistry, where it is investigated for the synthesis of bioactive compounds that can act as pesticides or herbicides.