1.high purity 2.good price 3.chemical factory Oxalic acid forms colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dihydrate begins to dissociate at temperature over 30 °C. If heated quickly, it melts at 101.5 °C,anhydrous oxalic acid melts at 180 °C.Applications:Purifying agent in pharmaceutical industry, special in antibiotic medication, such as ...