Oxalic acid is an organic compound with the formula C2H2O4.
It is a white crystalline solid that forms a colorless solution in water.
Its condensed formula is HOOCCOOH, reflecting its classification as the simplest dicarboxylic acid. Its acid strength is much greater than that of acetic acid.
Formula: C2H2O4
Molar mass: 90,03 g/mol
Density: 1,9 g/cm³
ChemSpider ID: 946
PubChem CID: 971
Melting point: 189.5°C