This chemical is primarily utilized in organic synthesis as a reagent for the Wittig reaction, which is a key method for forming alkenes from aldehydes or ketones. It acts as a phosphonium ylide precursor, enabling the construction of carbon-carbon double bonds in complex molecules. This makes it valuable in the production of pharmaceuticals, where precise control over molecular structure is essential. Additionally, it finds use in the synthesis of fine chemicals and intermediates for agrochemicals, contributing to the development of crop protection agents. Its role in creating specific alkene configurations is also important in materials science, particularly in the design of polymers with tailored properties.