| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Oxalic acid is a dicarboxylic acid with a appearance of white crystals. Its main applications include cleaning or bleaching, especially for removal of rust. About 25% of produced oxalic acid is used as a mordant in dyeing processes. It is used in bleaches, especially for pulpwood.
Properties of Oxalic Acid
Chemical Formula: C2H2O4
Molecular Weight/ Molar Mass: 90.034 gmol1(anhydrous)
126.065 gmol1 (dihydrate)
Appearance: White crystals
Odor: Odorless
Density: 1.90 gcm3 (anhydrous, at 17 C)
1.653 gcm3 (dihydrate)
Melting Point: 189 to 191 C (372 to 376 F; 462 to 464 K)
101.5 C (214.7 F; 374.6 K) Dihydrate
Solubility in Water: 90-100 g/L (20 C)[2]
Solubility
237 g/L (15 C) in ethanol
14 g/L (15 C) in diethyl ether [3]
Vapor Pressure: <0.001 mmHg (20 C)[4]
Acidity (pKa): 1.25, 4.14
Conjugate Base: Hydrogenoxalate
Magnetic susceptibility (): -60.05106 cm3/mol
