Oxalic Acid is a colorless crystalline solid which finds the most common application as mordant in dyeing and in bleaches & baking powder as well. It has chemical formula C2H2O4 with the molecular weight of 90.034 g/mol in anhydrous form. This is an odorless compound which is water soluble in nature and has a melting point range of 189 to 191 degrees Celsius. It is also used for cleaning purposes including rust removal by forming stable water-soluble salt. Oxalic Acid can be produced in laboratories by oxidizing sucrose in the presence of nitric acid and using vanadium pentoxide as the catalyst.
Oxalic acid is used in textile industries , construction chemical industries and also used in leather tanning industries