Synonyms: 1,3,5,2,4,6-Triazatriphosphorine,2,2,4,4,6,6-hexachloro-2,2,4,4,6,6-hexahydro- (8CI,9CI);Phosphonitrilechloride, trimer (6CI);2,2,4,4,6,6-Hexachloro-2,2,4,4,6,6-hexahydro-1,3,5,2,4,6-triazatriphosphorine;2,2,4,4,6,6-Hexachlorocyclotriphosphazatriene;2,2,4,4,6,6-Hexachlorocyclotriphosphazene;Cyclophosphazene dichloride trimer;Hexachlorocyclotriphosphazene;Dichlorophosphazene cyclic trimer;Dichlorophosphazene trimer;Hexachloro-1,3,5,2,4,6-triazatriphosphorine;Hexachlorocyclophosphazatriene;2l5,4l5,6l5-1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,4,6,6-hexachloro-;Hexachlorotriphosphazene;Hexachlorotriphosphonitrile;NSC 209799;NSC 2667;Phosnic 390;Phosphonitrilechloride, cyclic trimer;Triphosphonitrilic chloride;