Oxalic Acid dihydrate 99.6%


Oxalic Acid above 10% is not permitted for sale to individuals.
– Hold a Home Office License
– Be a Limited Company with a valid application
All purchases will be subject to completion of a Declaration of Use prior to acceptance and shipment of order

This product is not available for Customer Collection. It is a courier delivery service only. Unfortunately we are currently unable to ship this product into Northern Ireland.

Oxalic Acid Dihydrate 99.6% is a high-purity chemical compound known for its versatile applications. This white crystalline solid, with the chemical formula C2H2O4·2H2O, is composed of oxalic acid molecules combined with two water molecules.

Oxalic Acid Dihydrate 99.6% is widely used in various industries and laboratory settings due to its unique properties. It is a strong organic acid that is soluble in water, making it convenient for different aqueous-based applications. This compound exhibits excellent reactivity and can effectively participate in various chemical reactions and processes.

The high purity of Oxalic Acid Dihydrate 99.6% ensures reliable and consistent performance in your applications. It undergoes rigorous quality control measures to meet strict industry standards, ensuring its suitability for a wide range of uses.

Common uses of Oxalic Acid Dihydrate 99.6% include:

  • Metal cleaning and rust removal: It is effective in removing rust, stains, and mineral deposits from various metal surfaces.
  • Wood bleaching and restoration: Oxalic Acid Dihydrate can be used to lighten or remove stains from wood surfaces, such as furniture or flooring.
  • Analytical chemistry: It is utilized as a reagent in analytical techniques, such as titration and pH adjustment.
  • Textile and fabric industry: Oxalic Acid Dihydrate is employed in dyeing processes and as a bleaching agent for fabrics.
  • Pharmaceutical and cosmetic applications: It finds application in certain formulations, such as skin care products and pharmaceutical preparations.
  • Cleaning agent and descaler: It is effective in removing limescale and hard water deposits from various surfaces, including appliances, pipes, and bathroom fixtures.

Please ensure proper handling and adherence to safety guidelines when working with this substance.

  • Metal cleaning and rust removal
  • Wood bleaching and restoration
  • Analytical chemistry (reagent in titration, pH adjustment)
  • Textile and fabric industry (dyeing processes, bleaching agent)
  • Pharmaceutical and cosmetic applications
  • Cleaning agent and descaler (removal of limescale, hard water deposits)

Minimum Assay 99.6%
Molecular Formula: C2H2O4.2H2O
Molecular Weight: 126.07 g/mol
Melting Point: 101 °C
Boiling Point: 149-160 °C
Sulphates: <2000ppm
Iron (Fe): <5ppm
Ash: <0.1%
Lead (Pb): <3ppm

Hazard Phrases: Causes serious eye damage.

Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.


Cas No: 6153-56-6
Einecs No: 205-634-3

HS CODE: 2917110000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


Additional information

Weight N/A
Pack Size

500gm, 1Kg, 2Kg, 5Kg, 10Kg, 25Kg