trans-4,5-Difluoro-1,3-dioxolan-2-one (DFEC) 99.0% 311810-76-1$399.95PriceWeightSelectQuantity*Buy NowTechnical InformationAdditional InformationShipping InformationPackaging InformationBattery grade, ≥99.0% purity. Molecular Formula: C3H2F2O3 CAS #: 311810-76-1