It is a viscous colourless liquid which is nearly odourless but possesses a faintly sweet taste.
Forty-five percent of propylene glycol produced is used as chemical feedstock for the production of unsaturated polyester resins. Propylene glycol is used as a humectant, solvent, and preserva-tive in food and products.
Items | Specifications | Result |
Purity | 99.5% | 99.8% |
Moisture | 0.1% max | 0.068% |
APHA | 10 | 5 |
IBP | 185 | 186 |
DP | 189 | 188 |
Iron | 0.5 ppm | 0.5ppm max |
Sulfate | 10 ppm | 10 ppm max |
Refractive Index | 1.431-1.435 | 1.432 |