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752835 Sigma-Aldrich

Oxalic acid dihydrate

Green Alternative

99.999% trace metals basis

Synonym: Ethanedioic acid dihydrate

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Properties

Related Categories Acids, Alternative Energy, Chemical Synthesis, Electronic Chemicals, Enabling Products,
vapor density   4.4 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
assay   99.999% trace metals basis
greener alternative product characteristics   Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
mp   104-106 °C (lit.)
SMILES string   [H]O[H].[H]O[H].OC(=O)C(O)=O
InChI   1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
InChI key   GEVPUGOOGXGPIO-UHFFFAOYSA-N

Description

General description

Potassium and calcium salts of oxalic acid dehydrate are found in nature in the cell sap of Oxalis and Rumex. Detailed analysis of the crystal structure has been reported.

Sigma Life Science is committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

General applications may include its use as a compound in indigo dyeing, calico printing etc. It may used as a reducing agent in organic synthesis. Other possible uses of oxalic acid are:
• added in chromic acid for anodization of Al alloy, to improve corrosion resistance.
• additive for ozone treatment of cellulose.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
KI1600000

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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References

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