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Properties
Formula C2H2O4
Molar mass 90.03 g mol−1
Appearance White crystals
Density. 1.90 g cm-3
Melting point 189-191 °C, 462-464 K, 372-376 °F
Solubility 14.3 g/100ml (25 °C) in water
23.7 g/100ml (15 °C) in ethanol
1.4 g/100ml (15 °C) in diethyl ether
Acidity (pKa) 1.25, 4.14
