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Neopentyl glycol (NPG) is a white crystalline solid widely recognized as the standard diol for high-performance coating resins. It is used to synthesize polyesters with saturated or unsaturated di-acids, making it suitable for applications such as paints, lubricants, plasticizers, and fiberglass-reinforced plastics. NPG enhances resin stability against heat, light, and water due to its resistance to oxidation, non-polar nature, and steric retardation of hydrolysis.
| Other Names & Identifiers | 2,2-dimethylpropane-1,3-diol |
| CAS Number | 126-30-7 |
| Product Categories | Diols | Resin Intermediates | Polyester Intermediates | Solvents |
| Molecular Weight (g/mol) | 104.148 |
| Melting Point (°C) | 125 |
| Boiling Point (°C) | 206 |
