Used primarily in organic synthesis, this compound serves as a key reagent in the preparation of thiourea derivatives and other sulfur-containing heterocycles. Its isothiocyanate group readily reacts with amines and other nucleophiles, making it valuable in the development of pharmaceutical intermediates and agrochemicals. It is also employed in the synthesis of functional materials, including sensors and dyes, due to its aromatic structure and reactive functionality. In research settings, it acts as a building block for designing bioactive molecules and studying reaction mechanisms involving isothiocyanates.