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6153-56-6 - Oxalic acid dihydrate, 98% - A13866 - Alfa Aesar

A13866 Oxalic acid dihydrate, 98%

Codice CAS
6153-56-6
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
250g 23,80
1000g 69,30
5000g 245,00
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Oxalic acid dihydrate, 98%

MDL
MFCD00149102
EINECS
205-634-3

Proprietà chimiche

Formula
C2H2O4•2H2O
Peso formula
126.07 (90.04anhy)
Punto di fusione
101-105°
Densità
1.65
Solubilità
Soluble in water, ethanol, ether and glycerol. Insoluble in chloroform.

Applicazioni

Oxalic acid dihydrate acts as an analytical reagent, as a reducing agent for photographic films and as a mordant in dyeing process. It is used as a plating agent, a surface treating agent, a grinding agent, a precipitating agent in rare-earth mineral processing, a bleaching agent in textile and a purifying agent in pharmaceutical industry. It plays an important role in antibiotic medication like oxytetracycline and chloramphenicol. It finds application in water treatment plants to remove calcium waste water. It is also used as a buffer in chromatographic separation as well as bleach for wood, removing black stains caused by water penetration.

Note

Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with bases, acid chlorides and alkali metals.

Letteratura

For a brief feature on uses as a very useful Bronsted acid in organic synthesis, see: Synlett, 2838 (2004).

Stash, A. I.; Chen, Y. S.; Kovalchukova, O. V.; Tsirelson, V. G. Electron density, electrostatic potential, and spatial organization of ammonium hydrooxalate oxalic acid dihydrate heteromolecular crystal from data of diffraction experiment at 15 K using synchrotron radiation and theoretical calculations. Russ. Chem. Bull. 2013, 62 (8), 1752-1763.

Mokhtary, M.; Qandalee, M.; Niaki, M. R. Highly Efficient Selective Oxygenation of Sulfides to Sulfoxides by Oxalic Acid Dihydrate in the Presence of H2O2. J. Chem. 2012, 9 (2), 863-868.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H302-H312-H318

Harmful if swallowed. Harmful in contact with skin. Causes serious eye damage.

Dichiarazioni precauzionali: P260-P201-P280h-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves/clothing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,6911
Beilstein
3679436
Classe di rischio
8
Gruppo di imballaggio
III
Codice tariffe armonizzato
2917.11
TSCA
Yes
RTECS
KI1600000

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