Skip to Content
Merck
All Photos(2)

Documents

658537

Sigma-Aldrich

Oxalic acid

purified grade, 99.999% trace metals basis

Synonym(s):

Ethanedioic acid

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Linear Formula:
HO2CCO2H
CAS Number:
144-62-7
Molecular Weight:
90.03
Beilstein:
385686
EC Number:
205-634-3
MDL number:
MFCD00002573
UNSPSC Code:
12352100
PubChem Substance ID:
24884364
NACRES:
NA.22

grade

purified grade

Quality Level

200

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

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)

Looking for similar products? Visit Product Comparison Guide

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.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302 + H312,H318

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Alexander Wurzer et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 61(5), 735-742 (2019-12-22)
When we critically assess the reason for the current dominance of 68Ga-labeled peptides and peptide-like ligands in radiopharmacy and nuclear medicine, we have to conclude that the major advantage of such radiopharmaceuticals is the apparent lack of suitable 18F-labeling technologies
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)
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)
Oxalic acid.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Series of Ag (I) coordination complexes derived from aminopyrimidyl ligands and dicarboxylates: syntheses, crystal structures, and properties.
Sun, Di et al.
Crystal Growth & Design, 10(8), 3699-3709 (2010)
View All Related Papers

Articles

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

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

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

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

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

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

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

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service