Polypropylene Glycol 400 (PPG 400) CAS#25322-69-4
Polypropylene Glycol 400 (PPG 400) CAS#25322-69-4 serves as a biocompatible plasticizer for polylactic acid and other biodegradable polymers, improving flexibility while maintaining environmental compatibility. It is also applied in developing self-healing polyurethane networks for flexible electronics and elastomers that provide excellent sound absorption performance.
Polypropylene glycol Chemical 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 | n |
| 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 extensively applied in industrial, food, and pharmaceutical sectors thanks to its versatile properties, including lubrication, solubilization, foam control, and skin moisturization, which can be tailored by varying molecular weight, along with its excellent compatibility, to satisfy the functional needs of diverse applications.
Fast transport time
Inventory 2-3 working days New manufacturing 7-10 working days
