Hydrogen oxalate

CAS Registry Number®

920-52-5

CAS Name

Hydrogen oxalate

Molecular Formula

C2HO4

Molecular Mass

89.03

Cite this Page

Hydrogen oxalate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=920-52-5 (retrieved 2025-03-29) (CAS RN: 920-52-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=MUBZPKHOEPUJKR-UHFFFAOYSA-M

SMILES

C(C(O)=O)([O-])=O

Canonical SMILES

O=C([O-])C(=O)O

Other Names for this Substance

  • Ethanedioic acid, ion(1-)
  • Oxalic acid, ion(1-)
  • Hydrogen oxalate
  • Hydrogen oxalate monoanion
  • Hydrogen oxalate anion

Deleted or Replaced CAS Registry Numbers

51410-24-3

CAS INSIGHTSTM
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