Used primarily as a reactive intermediate in organic synthesis, this compound serves as a sulfonyl chloride building block for introducing sulfone functionalities into target molecules. Its vinyl group allows for further functionalization through reactions such as cross-coupling or polymerization, making it valuable in the development of pharmaceuticals, agrochemicals, and specialty polymers. It is also employed in the preparation of sulfonate esters and sulfonamides, which are common motifs in bioactive compounds. Due to its reactivity, it is handled under controlled conditions for safe and efficient use in research and industrial applications.