Widely used as a sulfonylation reagent in organic synthesis, particularly in the preparation of sulfonamides and sulfonate esters. Its fluorinated aromatic ring enhances reactivity and influences the electronic properties of the final products, making it valuable in pharmaceutical and agrochemical development. Commonly employed in the synthesis of bioactive molecules where fluorine substitution improves metabolic stability and binding affinity. Also utilized in materials science for modifying polymer properties or building fluorinated functional materials. The compound’s selectivity and reactivity profile make it suitable for constructing complex molecules in medicinal chemistry research.