2-Fluorostyrene is primarily used as a building block in organic synthesis, particularly in the production of polymers and copolymers. Its incorporation into polymer chains enhances the material's properties, such as thermal stability and chemical resistance, making it suitable for high-performance plastics and coatings. Additionally, it serves as a key intermediate in the synthesis of pharmaceuticals and agrochemicals, where the fluorine atom can improve the biological activity and metabolic stability of the final compounds. Its unique reactivity also makes it valuable in the development of advanced materials for electronics and optics.