Hydrogenoxalate

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Hydrogenoxalate

Names
IUPAC name Hydrogen ethanedioate
Other names Hydrogen oxalate 2-Hydroxy-2-oxoacetate
Identifiers
CAS Number	920-52-5 N
3D model (JSmol)	Interactive image
Beilstein Reference	3601755
ChEBI	CHEBI:46904
Gmelin Reference	49515
PubChem CID	3716971
CompTox Dashboard (EPA)	DTXSID8043785
InChI InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)/p-1 Key: MUBZPKHOEPUJKR-UHFFFAOYSA-M
SMILES C(=O)(C(=O)[O-])O
Properties
Chemical formula	C2HO4−
Molar mass	89.027 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Hydrogenoxalate or hydrogen oxalate is an anion with chemical formula HC
₂O⁻
₄ or HO
₂C–CO⁻
₂, derived from oxalic acid by the loss of a single proton; or, alternatively, from the oxalate anion C
₂O²⁻
₄ by addition of a proton.

The name is also used for any salt containing this anion, such as NaHC₂O₄, KHC₂O₄, or . Hydrogenoxalates may also be called (especially in older literature) bioxalates, acid oxalates, or monobasic oxalates.

See also[]

• Bicarbonate

References[]

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