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Merck
CN

658537

Oxalic acid

purified grade, 99.999% trace metals basis

Synonym(s):

Ethanedioic acid

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About This Item

Linear Formula:
HO2CCO2H
CAS Number:
Molecular Weight:
90.03
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
205-634-3
Beilstein/REAXYS Number:
385686
MDL number:
Assay:
99.999% trace metals basis
Form:
powder or crystals
Grade:
purified grade
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grade

purified grade

Quality Level

vapor density

4.4 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

assay

99.999% trace metals basis

form

powder or crystals

technique(s)

liquid chromatography (LC): suitable

mp

189.5 °C (dec.) (lit.)

solubility

water: soluble ~108 g/L at 25 °C

density

1.9 g/cm3 at 25 °C

functional group

carboxylic acid

SMILES string

OC(=O)C(O)=O

InChI

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

InChI key

MUBZPKHOEPUJKR-UHFFFAOYSA-N

Gene Information

human ... SRC(6714)

Application

Oxalic acid is a dicarboxylic acid used in the synthesis of various synthetic intermediates and organic compounds. Some of the examples are:
  • It is used as a reducing agent in the preparation of graphene from graphene oxide.
  • It can be used as a ligand in the synthesis of several organometallic complexes and metal-organic frameworks.
  • Additionally, it can also be used in textile treatment, metal treatment, tanning and bleaching leather.



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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Articles

From Form to Function: Molding Porous Materials in Three Dimensions by Colloidal Crystal Templating


Synthesis of graphene nanosheets via oxalic acid-induced chemical reduction of exfoliated graphite oxide.
Song, Peng et al.
Royal Society of Chemistry Advances, 2(3), 1168-1173 (2012)
Oxalic acid.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
One-, two-, and three-dimensional lanthanide complexes constructed from pyridine-2, 6-dicarboxylic acid and oxalic acid ligands.
Liu, Mao-Sheng et al.
Crystal Growth & Design, 8(11), 4083-4091 (2008)



Global Trade Item Number

SKUGTIN
658537-100G04061832733654
658537-25G04061832733661