Used primarily in organic synthesis, it serves as a key reagent for introducing the isothiocyanate functional group into various chemical structures. It is often employed in the preparation of thiourea derivatives, which are valuable intermediates in pharmaceutical and agrochemical research. Additionally, it finds application in the development of heterocyclic compounds, which are crucial in drug discovery and material science. Its reactivity with amines makes it useful in the synthesis of biologically active molecules, including potential therapeutic agents.