This chemical is primarily used in organic synthesis as a key reagent for the Wittig reaction, which is a method for forming alkenes from aldehydes or ketones. It is particularly valuable for introducing the benzyloxymethyl group into organic molecules, which can act as a protecting group for alcohols. The compound is also employed in the preparation of complex organic molecules, including pharmaceuticals and natural products, where selective functionalization is required. Its ability to facilitate the formation of carbon-carbon double bonds makes it a versatile tool in synthetic chemistry, enabling the construction of diverse molecular architectures. Additionally, it is utilized in the development of new materials and polymers, where controlled chemical modifications are essential.