Synonyms: 1,3,5,7,2,4,6,8-Tetrazatetraphosphocine,2,2,4,4,6,6,8,8-octabromide (7CI); 1,3,5,7,2,4,6,8-Tetrazatetraphosphocine,2,2,4,4,6,6,8,8-octabromo-2,2,4,4,6,6,8,8-octahydro- (8CI,9CI); Phosphonitrilebromide, tetramer (6CI);2,2,4,4,6,6,8,8-Octabromo-2,2,4,4,6,6,8,8-octahydro-1,3,5,7,2,4,6,8-tetrazatetraphosphocine;Octabromocyclotetraphosphazene; Phosphonitrile bromide, cyclic tetramer;Tetraphosphonitrilic bromide