Used primarily in organic synthesis, it serves as a key reagent for introducing the malonyl group into various compounds. It is widely employed in the production of pharmaceuticals, particularly in the synthesis of active pharmaceutical ingredients (APIs) and intermediates. Additionally, it plays a role in the development of agrochemicals, aiding in the creation of herbicides and pesticides. In material science, it is utilized for modifying polymers and coatings to enhance their properties. Its reactivity with nucleophiles makes it valuable for constructing complex molecular structures in research and industrial applications.