Tetrabromodiphenyl ether

Chinese Name: Tetrabromobisphenol A diallyl ether
English Name: 2,2',6,6'-tetrabromobisphenol A diallyl ether
Chinese Aliases: 1,1-(1-Methylethylidene)bis-3,5-dibromo-4-(2-propenyloxy)benzene; Tetrabromo ether
CAS Number: 25327-89-3
Molecular Formula: C21H20Br4O2
Molecular Weight: 623.9983

Main Uses
As an intermediate, it can be further brominated to prepare octabromo ether and can be used as a cross-linking or additive flame retardant for expandable polystyrene resin; it is a reactive flame retardant, mainly used for flame retardancy in materials such as foamed polystyrene, unsaturated polyester, and foamed polyester. It can also be used in combination with hexabromocyclododecane, exhibiting a synergistic effect.