Tetrabromophenic anhydride, CAS No. 632-79-1, it is white or light yellow crystalline powder with a content of 97% min. It is insoluble in water and aliphatic hydrocarbon solvents, slightly soluble in chloroform and other chlorinated hydrocarbons, acetone, xylene, etc., soluble in nitrobenzene, dimethylformamide, toxic. TBPA is a reactive flame retardant, can be used as flame retardant for polystyrene, polypropylene, polyethylene, ABS resi. It is an efficient bromine flame retardant, is also widely used in polyurethane foam, unsaturated polyester resin, epoxy resin to improve the flame retardant properties of materials. Due to its unique chemical structure, tetrabromophthalic anhydride is also widely used as a key intermediate in the synthesis of certain drug or pesticide molecular fragments.
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