StructureOxalic acid anhydrous
CAS No. 144-62-7
EC No. 205-634-3
Synonyms Ethane-1,2-dioic acid; ethanedioic acid; ethanedionic acid; Oxalic acid

Oxalic acid anhydrous

Oxalic acid is a white crystalline solid, mainly used as a reducing agent for the production of drugs such as antibiotics and many other API’s.


Well known applications for pharmaceuticals API’s of Oxalic acid anhydrous are:

  • Adaprolol: beta blocker
  • Oxycodone: Opioid medication
  • Telaprevir: treatment of hepatitis C
  • Tibolone: used in hormonal therapy, it is a synthetic steroid drug with estrogenic, progestogenic, and weak androgenic actions.
  • Verapamil: used to treat coronary and heart diseases
  • Dexamethasone 17-valerate: which is a glucocorticoid that is used as an anti-inflammatory agent.
  • Tyloxapol: It is an active ingredient used in several an expectorant designated for inhalation and instillation.
  • Droxidopa: It is a prodrug of norepinephrine used to increase the concentrations of these neurotransmitters in the body and brain.
  • Valsartan: is a medication used to treat high blood pressure, heart failure, and diabetic kidney disease.

Oxalic Acid is also used in the food industry to synthesize L-Carvone, naturally present in many essential oils and plants (most abundant in caraway and spearmint).

Another interesting application is in the synthesis of Nicotinic Acid (Niacin/Vitamin B3), widely used in cosmetic, food and Pharma industries

Shelf Life

Under proper storage conditions, the shelf life is 12 months

Health & Safety

Detailed information on the product described can be found in our relevant Health and Safety Information (Material Safety Data Sheet