Used as an intermediate in organic synthesis, particularly in the preparation of phosphorus-containing compounds for agrochemicals and pharmaceuticals. It serves as a reagent in Horner-Wadsworth-Emmons reactions, enabling the formation of carbon-carbon double bonds, which are essential in synthesizing complex molecules like bioactive alkenes and natural products. Its lipophilic alkyl chain enhances solubility in organic solvents, making it suitable for use in homogeneous reaction conditions. Also employed in the development of functional materials and specialty chemicals where controlled molecular structure is required.