Propyleneglycol is an organic compound, a clear, viscous, oily, colorless liquid with characteristic odor. The product is very easily soluble in water, acetone and chloroform.
Propyleneglycol is manufactured by the hydration of propylene oxide.
Molecular formula: C3H8O2
No. CAS: 57-55-6
Abbreviation: PG
| Items |
Value for Propyleneglycol |
| Appearance |
viscous, clear liquid |
| Propyleneglycol, min content |
99.5% |
| Density at 20°C, g/cm³ |
1.037 |
| Boiling point of Propyleneglycol |
188.2°C at 760 mm Hg |
| Ignition temperature |
99°C |
| Water (by Karl-Fischer), max |
0.25% |
| Acidity (CH3COOH), max. |
0.005% |
| Hazen color of Propyleneglycol, max. |
15 Hazen units |
| Ash content, max. |
0.001% |
Application of Propyleneglycol:
- unsaturated polyester resins;
- urethanes;
- paints & varnishes;
- heat transfer fluids,
- antifreezes, polyether polyols, antifoaming agents
- as a glycerin substitute in fine organic synthesis;
- as a solvent in printing inks;
- as solvent and enzyme stabilizer in laundry detergents;
- stabilizer in hydraulic fluids;
- plasticizer to improve processing ability of plastics
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