Food Additive Food Emulsifier Propylene Glycol Esters of Fatty
Acid PGMS E477
Intruduction of Propylene Glycol Esters of Fatty Acid Chemical Structure：
Characters: Ivory powder or flake solid, insoluble in water, soluble in organic solvents such as ethanol, is a non-ionic emulsifier. Physical-Chemical Parameter Technical Index | Items | Specification | Result |
| Appearance | White Powder to Breads | Small white Beads |
| Acid Value (mgKOH/g) | 4.0max | 3.70 |
| Hydroxide Value(mgKOH/g) | 90-150 | 115.6 |
| Iodine Value(mgKOH/g) | 3.0max | 0.53 |
| Saponification Value (mgKOH/g) | 150-190 | 171.7 |
| Residue on ignition w% | 0.5max | 0.33 |
| Soap (Based on Potassium Stearate)% | 7.0max | 4.10 |
| Free Propylene Glycol w% | 1.5max | 0.71 |
| Total Mono Ester Content% | 60.0% | 62.1 |
| Pb(mg/kg) | 2.0max | 0.12 |