Synonyms: Phosphorimidictrichloride, sulfonylbis- (9CI); Phosphorimidic trichloride, sulfonyldi-(7CI,8CI); Bis(trichlorophosphazo)sulfone;N,N'-Bis(trichlorophosphoranylidene)sulfamide; Phosphine imide,N,N'-sulfonylbis[P,P,P-trichloro-; Sulfamide, bis(trichlorophosphoranylidene)-