Widely used in organic synthesis as a key reagent for the Wittig reaction, enabling the conversion of aldehydes and ketones into alkenes. It serves as a precursor for generating phosphonium ylides, which are essential intermediates in the formation of carbon-carbon double bonds.

In pharmaceutical research, it aids in the synthesis of complex molecules, including drug candidates and bioactive compounds. Its role in creating alkenes is particularly valuable in constructing molecular frameworks with specific stereochemistry.

Additionally, it is employed in material science for the preparation of functionalized polymers and advanced materials. Its ability to introduce vinyl groups makes it useful in designing materials with tailored properties, such as flexibility or reactivity.

In agrochemical production, it contributes to the synthesis of active ingredients for pesticides and herbicides, helping to improve crop protection strategies. Its versatility and efficiency in organic transformations make it a valuable tool in various industrial and research applications.