1,1'-Ferrocenedicarboxylic acid is widely used in the field of materials science due to its unique electrochemical properties. It serves as a key building block in the synthesis of metal-organic frameworks (MOFs), which are utilized for gas storage, separation, and catalysis. Its ferrocene core allows for reversible redox reactions, making it valuable in the development of electrochemical sensors and biosensors for detecting various analytes. Additionally, it is employed in the preparation of polymers and coatings with enhanced conductivity and stability. In organic synthesis, it acts as a versatile ligand for transition metal catalysts, facilitating various chemical transformations. Its applications also extend to the field of nanotechnology, where it is used to create functionalized nanoparticles for drug delivery and imaging.