3-PENTANONE 96-22-0 AI3-24337 DEK Diethyl ketone Diethyl ketone [UN1156] [Flammable liquid] Diethylcetone [French] Dimethylacetone EINECS 202-490-3 Ethyl ketone Ethyl propionyl HSDB 5301 Metacetone Methacetone NSC 8653 Pentanone-3 Propione UN1156