Used primarily in organic synthesis as a reagent for the introduction of the thiocyanate group into various compounds. It is particularly valuable in the preparation of thiocyanate derivatives, which are intermediates in the production of pharmaceuticals, agrochemicals, and dyes. The compound is also employed in the study of reaction mechanisms and in the development of new synthetic pathways due to its reactivity with nucleophiles. Additionally, it finds application in biochemical research for labeling and modifying biomolecules, aiding in the investigation of protein interactions and enzymatic processes.