Used as an additive in fuels to improve combustion efficiency and reduce knocking in internal combustion engines. Acts as a precursor in the synthesis of other organometallic compounds. Employed in electrochemical applications, such as redox-active materials in batteries and sensors. Utilized in organic synthesis as a catalyst or intermediate for complex chemical reactions. Plays a role in the development of liquid crystals and polymers with specialized properties. Applied in research for studying electron transfer processes and organometallic chemistry.