7789-59-5 EINECS 232-177-7 HSDB 1166 PHOSPHORUS OXYBROMIDE Phosphoric tribromide Phosphorus oxybromide [UN1939] [Corrosive] Phosphorus oxybromide, molten [UN2576] [Corrosive] Phosphoryl bromide Phosphoryl tribromide Tribromophosphorus oxide UN1939 UN2576