Used primarily in the synthesis of organic compounds, it serves as a key intermediate in the production of pharmaceuticals and agrochemicals. Its reactive anhydride group allows it to form bonds with various amines and alcohols, making it valuable in creating polymers and coatings with specific properties. Additionally, it is employed in the development of dyes and pigments due to its ability to enhance color stability. In research, it is utilized to study thiophene derivatives, which are important in material science for their conductive and optical properties.