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

A13866 Oxalic acid dihydrate, 98%

CAS Number
6153-56-6
Synonyms

Size Price ($) Quantity Availability
250g 23.59
1000g 68.60
5000g 244.11
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Oxalic acid dihydrate, 98%

MDL
MFCD00149102
EINECS
205-634-3

Chemical Properties

Formula
C2H2O4•2H2O
Formula Weight
126.07 (90.04anhy)
Melting point
101-105°
Density
1.65
Solubility
Soluble in water, ethanol, ether and glycerol. Insoluble in chloroform.

Applications

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.

Notes

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

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H318-H302-H312

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

Precautionary Statements: P280-P264-P270-P305+P351+P338-P310-P301+P312-P312-P363-P322-P501a

Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Specific measures (see label). Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,6911
Beilstein
3679436
Hazard Class
8
Packing Group
III
Harmonized Tariff Code
2917.11
TSCA
Yes
RTECS
KI1600000

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