Used as a catalyst in organic synthesis, particularly in oxidation reactions and polymerization processes. Employed in the preparation of cobalt-based materials for battery electrodes, contributing to energy storage applications. Also utilized in the production of specialty pigments and as a precursor in the synthesis of other cobalt compounds. In analytical chemistry, it serves in gravimetric analysis for cobalt quantification. Additionally, finds use in electroplating baths to deposit cobalt coatings for wear and corrosion resistance.