Used in the synthesis of fluorinated pharmaceuticals and agrochemicals due to the electron-withdrawing effect of the fluorine atom, which enhances metabolic stability and bioavailability. Serves as a building block in the preparation of fluorescent dyes and optical brighteners, where the anhydride group allows for easy incorporation into larger conjugated systems. Employed in polymer chemistry to modify polyimides and polyamides, improving thermal stability and altering solubility properties. Also utilized in coordination chemistry as a ligand precursor for metal-organic frameworks (MOFs), where the fluorine substituent influences framework topology and porosity.