Neopentyl glycol dimethacrylate, identified by CAS 1985-51-9, is a low-viscosity, difunctional methacrylic monomer characterized by its unique branched structure. As a clear, colorless liquid, it exhibits excellent stability and low volatility, making it a preferred choice for various polymerization processes. The presence of two reactive methacrylate groups allows it to function as an efficient cross-linking agent, facilitating the formation of three-dimensional polymer networks with enhanced structural integrity.
In industrial and research settings, this monomer is valued for its ability to impart superior thermal stability and chemical resistance to finished products. It is particularly noted for its low shrinkage during curing and its compatibility with a wide range of other monomers and resins. Proper handling is essential, as the material is sensitive to light and heat, typically requiring the addition of inhibitors to prevent premature polymerization during storage and transport.