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194131

Sigma-Aldrich

Oxalic acid

98%

Sinonimo/i:

Ethanedioic acid

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About This Item

Formula condensata:
HO2CCO2H
Numero CAS:
144-62-7
Peso molecolare:
90.03
Beilstein:
385686
Numero CE:
205-634-3
Numero MDL:
MFCD00002573
Codice UNSPSC:
12352100
ID PubChem:
24851633
NACRES:
NA.22

Densità del vapore

4.4 (vs air)

Tensione di vapore

<0.01 mmHg ( 20 °C)

Saggio

98%

Forma fisica

powder or crystals

Punto di fusione

189.5 °C (dec.) (lit.)

Solubilità

water: soluble 108 g/L at 25 °C

Densità

1.65 g/cm3 at 18.5 °C

Stringa SMILE

OC(=O)C(O)=O

InChI

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

Informazioni sul gene

human ... SRC(6714)

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Categorie correlate

Descrizione generale

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.

Applicazioni

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.

Pittogrammi

CorrosionExclamation mark
GHS05,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H302 + H312,H318

Classi di pericolo

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

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Iron(II) oxalate dihydrate 99%

Sigma-Aldrich

307726

Iron(II) oxalate dihydrate

Oxalic acid dihydrate for synthesis

Sigma-Aldrich

8.18242

Oxalic acid dihydrate

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

Supelco

1.09932

Oxalic acid solution

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
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