Oxalic Acid dihydrate 99.6% Letterbox Friendly Pouch



*Please note the density of this product may prevent the 250gm and 500gm pouch from fitting through some letterboxes

  • Tanning Leather
  • Rust Remover
  • Deck Cleaner
  • Hull Cleaner
  • Stain Remover

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

100gm, 250gm, 500gm