1-Butanal 123-72-8 4-01-00-03229 (Beilstein Handbook Reference) AI3-24198 Aldehyde butyrique [French] Aldeide butirrica [Italian] BRN 0506061 BUTYRALDEHYDE Butal Butaldehyde Butalyde Butanal Butanaldehyde Butylaldehyde Butyral Butyraldehyd [German] Butyraldehyde (crude) Butyraldehyde [UN1129] [Flammable liquid] Butyric aldehyde CCRIS 3221 EINECS 204-646-6 FEMA Number 2219 HSDB 2798 NCI-C56291 NSC 62779 UN1129 n-Butyraldehyde