Products
Neopentyl glycol NPG
NPG is a diol product that when incorporated into polymers has the desirable effects of increasing thermal resistance, weathering resistance, and degradation resistance.
| Other names | 2,2-Dimethyl-1,3-propanediol 2,2-Dimethylpropane-1,3-diol Abbreviation: NPG |
|---|---|
| Single chemical substance or composite | Single chemical substance |
| Chemical formula | (CH3)2C(CH2OH)2 |
| Cas No. | 126-30-7 |
| Industrial Safety and Health Act No. | (2)-240 |
Physical properties
| External appearance | White, flaky material |
|---|---|
| Specific gravity | 1.047 |
| Freezing point, melting point | 129 to 130°C |
| Flash point (°C) | 152°C (open-cup method) |
| Ignition point (°C) | 399°C |
| Dust explosion | － |
| Stability, reactivity | Stability |
GHS Label elements
Principal uses
Alkyd resin coatings, polyester resins, powder coatings
Product specifications
| Packaging/transport types | Polyethylene bags, flexible container bags Readily soluble in water, so also transported in NPG (melt) tankers, and 90% NPG tankers / bulk containers. |
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