... N-[2-(Dimethylamino)ethyl]-N,N',N'-trimethyl-1,2-ethanediamine; Bis(2-dimethylaminoethyl)methylamine; N,N,N',N',N''- ... N,N,N',N'',N''-Pentamethyldiethylenetriamine is a kind of high activa catalyst for the reaction of polyurethane. It is widely used in the production ... as material of quaternary ammonium salt. N,N,N',N'',N''-Pentamethyldiethylenetriamine with weak ammonia adour can ...