Diallyl dicarbonate is primarily used as a cross-linking agent in the production of polymers and resins. It enhances the thermal stability and mechanical strength of materials, making it valuable in the manufacturing of high-performance plastics and coatings. Additionally, it is utilized in the synthesis of specialty chemicals and intermediates for pharmaceuticals and agrochemicals, contributing to the development of advanced formulations. Its reactivity with various organic compounds also makes it a useful reagent in organic synthesis. It finds applications in the rubber and adhesive industries to improve adhesion and environmental durability.