241172
Oxalic acid
ReagentPlus®, ≥99%
Synonym(s):
Aktisal, Aquisal
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All Photos(2)
About This Item
Linear Formula:
HO2CCO2H
CAS Number:
Molecular Weight:
90.03
Beilstein:
385686
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
vapor density
4.4 (vs air)
vapor pressure
<0.01 mmHg ( 20 °C)
product line
ReagentPlus®
Assay
≥99%
form
powder or crystals
mp
189.5 °C (dec.) (lit.)
solubility
water: soluble ~108 g/L at 25 °C
density
1.65 g/cm3 at 18.5 °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)
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General description
Oxalic acid is present as potential impurity in some active pharmaceutical ingredients.
Application
Oxalic acid may be used as a catalyst to synthesize:
- 2-aryl-1-arylmethyl-1H-benzimidazoles from o-phenylenediamine and aldehydes
- 2-aryl-4,5-diphenyl-1H-imidazoles from benzyl/benzoin, ammonium acetate and aromatic aldehydes
- bis-compounds of indole and 2-naphthol in an aqueous medium
Oxalic acid was used:
- in the synthesis of hemicellulose hydrolysates of yellow poplars
- in the synthesis of three-dimensionally ordered macroporous metal oxides or carbonates via templating with polystyrene spheres
- as supporting electrolyte in the electrochemical synthesis of polyaniline-polypyrrole composite coatings
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
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
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General synthesis of periodic macroporous solids by templated salt precipitation and chemical conversion.
Chemistry of Materials, 12(4), 1134-1141 (2000)
Characterization of polyaniline?polypyrrole composite coatings on low carbon steel: a XPS and infrared spectroscopy study.
Applied Surface Science, 218(1), 58-69 (2003)
One-pot efficient synthesis of 2-aryl-1-arylmethyl-1H-benzimidazoles and 2, 4, 5-triaryl-1H-imidazoles using oxalic acid catalyst
Kokare ND, et al.
Synthesis, 2007(18), 2829-2834 (2007)
Ly Thi Phi Trinh et al.
Bioresource technology, 161, 280-287 (2014-04-10)
An integrated detoxification process with electrodialysis (ED) followed by adsorption was performed to remove fermentation inhibitors from hemicellulose hydrolysates. The hydrolysates were prepared by oxalic acid pretreatment of yellow poplars at different temperatures. Of fermentation inhibitors, acetic acid showed high
Oxalic acid as a catalyst for efficient synthesis of bis-(indolyl) methanes, and 14-aryl-14H-dibenzo [a, j] xanthenes in water
Kokare ND, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 19(10), 1186-1189 (2008)
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