1,4-BUTANEDIAMINE, DIHYDROCHLORIDE 1,4-Butanediamine, hydrochloride 1,4-Diaminobutane, dihydrochloride 29142-66-3 333-93-7 AI3-18304 EINECS 206-375-9 NSC 5861 PUTRESCINE Putrescine dihydrochloride Putrescine hydrochloride Tetramethylenediamine dihydrochloride Tetramethylenediammonium dichloride