Oxalic acid — properties from Wikipedia — wikidata.cheminfo.org

Oxalic acidOxalic acid is an organic acid with the systematic name ethanedioic acid and chemical formula HO\sC(\dO)\sC(\dO)\sOH, also written as (COOH)2 or (CO2H)2 or H2C2O4. Read from the Chembox of the Wikipedia article Oxalic acid, revision 1379997184.

Property

Value

Formula

C2H2O4, 90.03 g/mol

Melting point

190 °C

Density

1.9 g/cm³

Flash point

166 °C

pKa

4.28

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