Product Description
Polypropylene Glycol (PPG) is a polyether polymer known for its excellent physical and chemical properties, making it widely applicable across multiple industries. It typically appears as a colorless to pale yellow transparent viscous liquid and is both non-volatile and non-corrosive.

Properties
| Melting point | -40 °C |
| Boiling point | >300 °C |
| density | 1.01 g/mL at 20 °C |
| vapor density | >1 (vs air) |
| Pour Point | -26 |
| Pour Point | -45 |
| vapor pressure | <0.01 mm Hg ( 20 °C) |
| refractive index | n20/D 1.451 |
| Fp | 230 °C |
| storage temp. | Storage temp. 2-8°C |
| solubility | H2O: <0.01 % (w/w) at 25 °C |
| form | Viscous Liquid |
| Specific Gravity | 1.005 |
| color | White to light gray |
| Water Solubility | PRACTICALLY INSOLUBLE |
| FreezingPoint | -25 |
| FreezingPoint | -40 |
| Stability: | Stable. Substances to be avoided include strong oxidizing agents. |
| LogP | 0.01 at 25℃ |
| NIST Chemistry Reference | Polypropylene glycol 425(25322-69-4) |
| EPA Substance Registry System | Polypropylene glycol (25322-69-4) |
Product Usage
Polypropylene Glycol (PPG) is widely utilized across industrial, food, and pharmaceutical sectors. Its versatile properties—such as lubrication, solubilization, defoaming, and skin moisturizing—can be tailored by adjusting its molecular weight. Additionally, its excellent compatibility allows it to meet the functional requirements of a variety of applications.
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