ethanedioic acidC₂H₂O₄100%ethanedioic acid, ethanedioic acid, oxalic acidSpace reserved for adsPhysical characteristicsMolecular mass 90Reactions using ethanedioic acidethanedioic acid → carbon dioxide + carbon monoxide + waterCompound added to the database on May 2, 2020, last modified on August 24, 2022.