N-Vinylphthalimide is primarily utilized in the field of polymer chemistry as a monomer for the synthesis of specialized polymers. It is particularly valued for its ability to introduce phthalimide functional groups into polymer chains, which can enhance thermal stability and mechanical properties. This makes it suitable for creating high-performance materials used in coatings, adhesives, and engineering plastics. Additionally, it serves as a key intermediate in organic synthesis, contributing to the development of pharmaceuticals and agrochemicals due to its reactive vinyl group, which allows for further chemical modifications. Its application in photoresist materials is also notable, where it aids in the production of microelectronic components.