241172
Oxalic acid
ReagentPlus®, ≥99%
Synonyme(s) :
Aktisal, Aquisal
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A propos de cet article
Formule linéaire :
HO2CCO2H
Numéro CAS:
Poids moléculaire :
90.03
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
205-634-3
Beilstein/REAXYS Number:
385686
MDL number:
Assay:
≥99%
Form:
powder or crystals
Service technique
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4.4 (vs air)
Quality Level
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)
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
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
Classe de stockage
11 - Combustible Solids
wgk
WGK 1
ppe
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)
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)