Oxalic acid: Oxalic acid with the structure HOOC-COOH, ethanedioic acid according to the official nomenclature is the simplest of the aliphatic dicarboxylic acids. The commercial product is a dihydrate, HOOC-COOH,2H2O.
Thanks to the bond between the two carboxyl groups, it is one of the most used organic acids (pKA1 = 1,27 and pKA2 = 4,27) because it easily decomposes into gases (CO2, CO). The anions of oxalic acid along with the salts and esters are known as...
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