Triallyl(phenyl)silane is primarily used in the field of polymer chemistry as a crosslinking agent. It facilitates the formation of three-dimensional network structures in polymers, enhancing their thermal stability and mechanical properties. This compound is particularly valuable in the production of silicone resins and rubbers, where it improves resistance to heat and environmental degradation. Additionally, it is employed in the synthesis of specialty coatings and adhesives, providing improved durability and performance under harsh conditions. Its ability to participate in hydrosilylation reactions also makes it useful in modifying surfaces and creating functional materials with tailored properties.