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Merck

194131

Sigma-Aldrich

Oxalsäure

98%

Synonym(e):

Ethanedioic acid

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About This Item

Lineare Formel:
HO2CCO2H
CAS-Nummer:
Molekulargewicht:
90.03
Beilstein:
385686
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22

Dampfdichte

4.4 (vs air)

Qualitätsniveau

Dampfdruck

<0.01 mmHg ( 20 °C)

Assay

98%

Form

powder or crystals

mp (Schmelzpunkt)

189.5 °C (dec.) (lit.)

Löslichkeit

water: soluble 108 g/L at 25 °C

Dichte

1.65 g/cm3 at 18.5 °C

SMILES String

OC(=O)C(O)=O

InChI

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

InChIKey

MUBZPKHOEPUJKR-UHFFFAOYSA-N

Angaben zum Gen

human ... SRC(6714)

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Allgemeine Beschreibung

Oxalic acid is a dicarboxylic acid used in dehydration, elimination, protection, deprotection, condensation, and decarboxylation reactions.

Oxalic acid is present as a potential impurity in some active pharmaceutical ingredients.

Anwendung

Oxalic acid was used in determination of oxamic acid, oxalic acid, and oxamide in hydrophobic drug substance matrix by ion-exclusion chromatography. It was used in the synthesis of three-dimensionally ordered macroporous metal oxides or carbonates via templating with polystyrene spheres. It was employed as supporting electrolyte during electrochemical synthesis of polyaniline-polypyrrole composite coatings.

Piktogramme

CorrosionExclamation mark

Signalwort

Danger

Gefahreneinstufungen

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

WGK

WGK 1

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves


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Eisen(II)-oxalat Dihydrat 99%

Sigma-Aldrich

307726

Eisen(II)-oxalat Dihydrat

Oxalic acid dihydrate for synthesis

Sigma-Aldrich

8.18242

Oxalic acid dihydrate

Oxalsäurelösung for 1000 ml, c(C&#8322;H&#8322;O&#8324;) = 0.005 mol/l (0.01 N) Titrisol&#174;

Supelco

1.09932

Oxalsäurelösung

General synthesis of periodic macroporous solids by templated salt precipitation and chemical conversion.
Yan H, et al.
Chemistry of Materials, 12(4), 1134-1141 (2000)
Characterization of polyaniline-polypyrrole composite coatings on low carbon steel: a XPS and infrared spectroscopy study.
Rajagopalan R and Iroh JO.
Applied Surface Science, 218(1), 58-69 (2003)
L Yang et al.
Journal of pharmaceutical and biomedical analysis, 22(3), 487-493 (2000-04-15)
Oxalic acid, oxamic acid and oxamide are potential impurities in some active pharmaceutical ingredients (API). The retention and separation of oxalic and oxamic acids are particularly challenging using conventional reversed-phase HPLC due to their high polarity. An ion-exclusion chromatography (IEC)
Xianlai Zeng et al.
Journal of hazardous materials, 295, 112-118 (2015-04-22)
With the booming of consumer electronics (CE) and electric vehicle (EV), a large number of spent lithium-ion battery (LIBs) have been generated worldwide. Resource depletion and environmental concern driven from the sustainable industry of CE and EV have motivated spent
R de Water et al.
American journal of kidney diseases : the official journal of the National Kidney Foundation, 33(4), 761-771 (1999-04-09)
Urinary calcium oxalate (CaOx) crystals and crystal agglomerates are normally harmlessly excreted, but in nephrolithiasis they are retained by tubular epithelial cells and shifted into the renal interstitium. This crystalline material induces an inflammatory response consisting of an increase in

Artikel

In many technologies, performance requirements drive device dimensions below the scale of electron mean free paths (λe). This trend has increased scientific interest and technological importance of electrical resistivities at the nanoscale.

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