Used as a precursor in the synthesis of cerium oxide nanoparticles, which are applied in catalytic converters to reduce automotive emissions. Also utilized in the preparation of coatings for glass and ceramics, enhancing UV absorption and improving durability. Employed in research for developing solid oxide fuel cells due to its ionic conductivity properties. Additionally, serves as a catalyst in organic reactions, particularly in oxidation processes. Its hydrate form supports solubility in polar solvents, making it suitable for solution-based applications in material science and nanotechnology.