2,2',4,4',5-Pentabromodiphenyl ether is part of a group of polybromatinated diphenyl ethers that are widely used as brominated flame retardants. 2,2',4,4',5-Pentabromodiphenyl ether is suspected to be a toxic substance to humans, causing endocrine mediated effects on the body and possibly causing developmental effects in nursed babies. One of the new POPs under the Stockholm Convention
ChEBI: 2,4-dibromophenyl 2,4,5-tribromophenyl ether is a polybromodiphenyl ether that is diphenyl ether in which the hydrogens at the 2, 4, 5, 2', and 4' positions have been replaced by bromines.