2,4-Difluoro-5-iodobenzoic acid is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals. Its unique structure, featuring both fluorine and iodine substituents, makes it a valuable building block for creating complex molecules. It is often employed in the synthesis of active pharmaceutical ingredients (APIs) where the introduction of halogens enhances biological activity or stability. Additionally, it serves as a precursor in the preparation of radiopharmaceuticals, where iodine can be utilized for radiolabeling in medical imaging and diagnostics. Its applications also extend to materials science, where it contributes to the development of specialized polymers and coatings with enhanced properties.