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Oxalic Acid


Oxalic Acid is a natural compound and a potent acid with its acidity a thousand times stronger than acetic Acid. When purified, it has the appearance of a white crystal substance and is virtually colorless in water. Dry form is stable and does not expire. formula oxalic acid dihydrate is a reducing agent. also known as Ethanedioic Acid, is a diprotic acid, giving away 2 protons (hydrogen ions) to a base. Oxalic Acid dihydrate is used as a treatment for the removal of natural microorganisms.

Oxalic Acid 99.6 % is used in industries to sterilizing equipment and applied for mineral processing mechanisms. It’s also used in the textile industry to bleach clothing. Such as linen, denim, leather, and cotton, and is excellent for removing ring around the collar on shirts. It is used as a bleaching agent for leather and straw hats. The name “Oxalic acid originated because it is isolated from the plant of the genus “Oxalis,” which is known as wood-sorrels.


Purity % 99.6min
Residue on ignition % 0.1max
Heavy metal(as Pb) % 0.002max
Chloride(Cl) % 0.005max
SO42-% 0.04max
Fe % 0.002max


  1. Purifying agent in pharmacheutical industry, special in antibiotic medication, such as oxytetracycline, Chloramphenicol etc;
  2. Precipitating agent in Rare-earth mineral peocessing;
  3. Bleaching agent in the textile activities, wood pulp bleaching;
  4. Rust-remover for metal treatment;
  5. Grinding agent, such as marble polishing;
  6. Waste water treatment, removing calcium from water.