This chemical is commonly used as a reagent in organic synthesis processes, particularly in reactions involving the formation of carbon-carbon and carbon-heteroatom bonds, such as the Wittig reaction, which facilitates the creation of alkenes from aldehydes or ketones. Additionally, it can be employed to modify molecular structures to enhance efficiency or produce new compounds with specific properties. This substance plays a significant role in pharmaceutical research and development by aiding in the synthesis of complex intermediates for various drugs.