M.W. range 1,300-1,600. Hygroscopic. Incompatible with strong oxidizing agents.
Polyethylene glycol 3350 is used to treat occasional constipation. Polyethylene glycol 3350 is in a class of medications called osmotic laxatives. It works by causing water to be retained with the stool. This increases the number of bowel movements and softens the stool so it is easier to pass.
A 68-g dose of PEG laxative seems to provide safe and effective relief in constipated adults within a 24-h period.