1,3-DIOXOLAN-2-ONE 1,3-Dioxacyclopentan-2-one 96-49-1 AI3-18365 CCRIS 293 Carbonic acid, cyclic ethylene ester Cyclic ethylene carbonate Dioxolone-2 EINECS 202-510-0 Ethylene carbonate Ethylene carbonic acid Ethylene glycol carbonate Ethylene glycol, cyclic carbonate Ethylenester kyseliny uhlicite [Czech] Glycol carbonate HSDB 6803 NSC 11801