Methyl octabromo ether, also known as tetrabromobisphenol A-bis (2, 3-dibromodibromide (methyl) propyl) ether, is an important variety of brominated flame retardants, with A molecular formula of C23H24Br8O2 and a molecular weight of 971.61. The compound is white Chemicalbook color or light yellow powder, insoluble in water and ethanol, soluble in benzene, acetone, is a kind of polymer organic flame retardant with both aromatic bromine and aliphatic bromine, widely used in engineering plastics and epoxy resin flame retardant, belongs to the added type flame retardant.