Poly(propylene glycol) CAS#25322-69-4
Poly(propylene glycol) CAS#25322-69-4
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Chemical Name:Polypropylene Glycol
CAS No.:25322-69-4
Molecular Formula:CH4
Sample: Available
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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Poly(propylene glycol) CAS#25322-69-4
Poly(propylene glycol) CAS#25322-69-4 is a versatile non-toxic liquid polymer available in multiple molecular weight grades ranging from 400 to 8,000. Its viscosity increases proportionally with molecular weight, and the hydroxyl number decreases correspondingly, enabling precise formulation tailoring for specific industrial applications including polyurethane production, surface-active agents, and specialty chemical synthesis.
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 | |
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 used in industrial, food and pharmaceutical fields due to its diverse properties such as lubrication, solubilization, defoaming and skin moisturizing that can be achieved by adjusting the molecular weight, as well as its good compatibility, to meet the functional requirements of multiple scenarios.
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Fast transport time
Inventory 2-3 working days New manufacturing 7-10 working days






