1,4-BUTANEDIAMINE 1,4-Butylenediamine 1,4-Diaminobutane 1,4-Tetramethylenediamine 110-60-1 4-04-00-01283 (Beilstein Handbook Reference) AI3-25444 BRN 0605282 Butylenediamine CCRIS 6751 EINECS 203-782-3 NSC 60545 Putrescin Putrescine Tetramethyldiamine Tetramethylenediamine