Synonyms: 1,4-Bis(dimethylamino)butane;2,7-Dimethyl-2,7-diazaoctane;N,N,N',N'-Tetramethyl-1,4-butanediamine;N,N,N',N'-Tetramethyl-1,4-diaminobutane;N,N,N',N'-Tetramethylbutylenediamine;N,N,N',N'-Tetramethylputrescine;N,N,N',N'-Tetramethyltetramethylene-1,4-diamine;Tetramethylputrescine;1,4-Butanediamine,N,N,N',N'-tetramethyl- (7CI,8CI,9CI);