Oxalic acid

CAS Registry Number®

144-62-7
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CAS Name

Oxalic acid

Molecular Formula

C2H2O4

Molecular Mass

90.03

Cite this Page

Oxalic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=144-62-7 (retrieved 2024-03-19) (CAS RN: 144-62-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    200 °C @ Press: 0.1 Torr
  • Melting Point (2)

    189.5 °C (decomp)
  • Density (3)

    1.9 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)

InChIKey

InChIKey=MUBZPKHOEPUJKR-UHFFFAOYSA-N

SMILES

C(C(O)=O)(O)=O

Canonical SMILES

O=C(O)C(=O)O

Other Names for this Substance

  • Ethanedioic acid
  • Oxalic acid
  • Aktisal
  • Aquisal
  • NSC 132055

Deleted or Replaced CAS Registry Numbers

63504-28-9, 97993-78-7, 216451-38-6, 2469072-60-2

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