oxalic acid

Oxalic acid (IUPAC name: ethanedioic acid, also known as anhydrous oxalic acid) is a dicarboxylic acid with structure (HOOC)-(COOH). It is one of the strongest organic acids. Oxalic acid was first discovered in 1769 by the German pharmacist Johann Christian Wiegleb in the plant Oxalis (Oxalis acetosella, from which the name “oxalic acid is derived).