Description
Synonym: Ethanedioic acid
Linear Formula: HO2CCO2H
General description
Oxalic acid is present as potential impurity in some active pharmaceutical ingredients.
Application
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.
PROPERTIES
vapor density
4.4 (vs air)
Pack Size
250g; 1kg
vapor pressure
<0.01 mmHg ( 20 °C)
Assay
98%
form
powder or crystals
mp
189.5 °C (dec.) (lit.)
solubility
water: soluble 108 g/L at 25 °C
density
1.65 g/cm3 at 18.5 °C
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