3-Fluorostyrene is primarily used as a building block in organic synthesis, particularly in the production of fluorinated polymers and copolymers. These materials are valued for their unique properties, such as enhanced chemical resistance, thermal stability, and low surface energy, making them suitable for coatings, adhesives, and specialty plastics. Additionally, it serves as a key intermediate in the pharmaceutical industry for the development of fluorinated aromatic compounds, which are often explored for their potential biological activity. In research, 3-Fluorostyrene is utilized in studies involving polymerization mechanisms and the development of advanced materials with tailored properties.