... 1,1,4,7,7-Pentamethyldiethylenetriamine-; N-[2-(Dimethylamino)ethyl]-N,N',N'-trimethyl-1,2-ethanediamine; Bis(2-dimethylaminoethyl)methylamine; N,N,N',N',N''-Pentamethyldiethylenetriamine; PMDTA Molecular Structure Molecular Formula ... . Additionally, it is used as material of quaternary ammonium salt. N,N,N',N'',N''-Pentamethyldiethylenetriamine with weak ammonia adour can easily be volatilized and ...