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Food & Beverage
Propylene Glycol
BP,PG,propane-1,2-diol
Production information
| PROPERTIES & USAGE | ||
| Properties | Usage | |
| Chemical formula | C3H8O2 | chemical feedstock |
| Boiling point | 188.2 °C (370.8 °F; 461.3 K) | humectant |
| Molar mass | 76.10 g·mol−1 | solvent |
| Density | 1.036 g/cm3 | preservative in food |
| Melting point | −59 °C (−74 °F; 214 K) | |
| SPECIFICATION | |||
| Specification | : | pharmaceutical grade | Technical Grade |
| Color,(APHA) | : | 10 max | Max. 10 |
| Water, % | : | 0.2% max | Max. 700 |
| Specific gravity (20/25 °C) | : | 1.0350~1.0410 | 1.037 - 1.039 |
| Refractive index (25°C) | : | 1.4307~1.4317 | 1.430 - 1.432 |
| Distillation range (L), °C | : | 184.0~189.0 | 185 - 189℃ |
| Distillation range (U),°C | : | 184.0~189.0 | |
| Distillation volume, Vol% | : | 95% min | |
| Acidity, ml | : | 0.20 max | Max. 30.0 |
| Chloride, % | : | 0.007% max | Max. 1.0 |
| Sulfate, % | : | 0.006% max | |
| Heavy metals, ppm | : | 5ppm max | |
| Residue on ignition, % | : | 0.007% max | Max. 30 |
| Organic Volatile impurity Chloroform, μg/g | : | 60 max | |
| Organic Volatile impurity 1.4 dioxane, μg/g | : | 380 max | |
| Organic Voltile impurity methylene chloride,μg/g | : | 600 max | |
| Organic Voltile impurity trichloroethylene, μg/g | : | 80max | |
| Assay, GLC% | : | 99.5% min | |
| MPG Assay , wt.% | : | Min. 99.50 | |
| Iron , wt.ppm | : | Max. 0.20 | |