neopentylglykol

Neopentylglykol, also known as 2,2-dimethylpropane-1,3-diol, is an organic compound with the chemical formula C5H12O2. It is a diol, meaning it contains two hydroxyl (-OH) groups. Structurally, it features a central quaternary carbon atom bonded to two methyl groups and two hydroxymethyl groups. This unique symmetrical structure contributes to its notable properties.

Neopentylglykol is a white crystalline solid at room temperature. It is soluble in water and many organic solvents. Its primary industrial application is as a monomer in the production of various polymers. It is particularly important in the synthesis of polyesters, polyurethanes, and alkyd resins. These polymers find use in coatings, adhesives, and synthetic lubricants due to the excellent hydrolytic stability, weather resistance, and thermal stability imparted by the neopentylglykol moiety.

The chemical industry utilizes neopentylglykol extensively. Its high symmetry and the absence of beta-hydrogens in its structure contribute to its resistance to degradation. This makes it a valuable building block for high-performance materials. It is typically manufactured through the condensation of isobutyraldehyde with formaldehyde, followed by a reduction step.