Magnesium(II) 2-ethylbutyrate is commonly used as a catalyst or co-catalyst in various organic synthesis reactions, particularly in polymerization processes. It aids in the production of polymers with specific properties, such as improved stability or controlled molecular weight. Additionally, it is utilized in the manufacturing of specialty chemicals and coatings, where it acts as a stabilizer or additive to enhance performance. In some cases, it is also employed in the preparation of magnesium-based compounds for pharmaceutical or industrial applications, leveraging its reactivity and solubility in organic solvents.