- Formula: C2nH4n+2On+1
- Density: 1.12 g/cm³
- Soluble in: Water
- Molar mass: 44.05n + 18.02 g/mol
- Flash point: 182–287 °C; 360–549 °F; 455–560 K
- IUPAC ID: poly(ethylene oxide), poly(oxyethylene)
Polyethylene glycol is a polyether compound with many applications, from industrial manufacturing to medicine. PEG is also known as polyethylene oxide or polyoxyethylene, depending on its molecular weight. It is a laxative solution that increases the amount of water in the intestinal tract to stimulate bowel movements. It is used as a laxative to treat occasional constipation or irregular bowel movements. It may also be used for purposes not listed in this medication guide.