2-Vinylbenzoic acid is primarily used in the synthesis of polymers and copolymers. Its vinyl group allows it to participate in polymerization reactions, making it valuable in the production of materials with specific properties, such as enhanced durability or chemical resistance. It is also employed in the creation of specialty coatings and adhesives, where its benzoic acid moiety can improve adhesion and stability. Additionally, it serves as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals, where its structure can be modified to produce active compounds.