105-54-4 4-02-00-00787 (Beilstein Handbook Reference) AI3-18427 BRN 0506331 Butanoic acid ethyl ester Butanoic acid, ethyl ester Butyric acid, ethyl ester Butyric ester Butyric ether CCRIS 6554 EINECS 203-306-4 ETHYL BUTYRATE Ethyl butanoate Ethyl butyrate (natural) Ethyl butyrate [UN1180] [Flammable liquid] Ethyl n-butyrate FEMA No. 2427 FEMA Number 2427 HSDB 406 NSC 8857 UN1180