Used as a catalyst in organic synthesis, particularly in reactions involving oxidation and reduction processes. It is also employed in electroplating baths to deposit iron-based coatings on metals, enhancing corrosion resistance. In some industrial processes, it acts as a source of ferrous ions for precipitation or complex formation. Its hydrated form provides stability in aqueous solutions, making it suitable for use in water-based chemical systems. Additionally, it finds application in the preparation of other iron-containing compounds and materials for research and specialty manufacturing.