Yttrium(III) 2-ethylhexanoate is widely used as a catalyst in various polymerization reactions, particularly in the production of specialty polymers and resins. It plays a crucial role in the synthesis of high-performance materials, such as polyesters and polyurethanes, where it enhances the efficiency and control of the polymerization process. Additionally, this compound is employed in the preparation of advanced ceramics and coatings, contributing to improved thermal stability and mechanical properties. Its application extends to the field of electronics, where it is utilized in the fabrication of thin films and nanomaterials for electronic devices. The compound’s ability to act as a precursor in chemical vapor deposition (CVD) processes makes it valuable in the development of optical and semiconductor materials.