High-Purity Oxalic Acid Powder (C₂H₂O₄·2H₂O) is a powerful reducing agent widely used in metal refining, cleaning, and restoration. This 2-pound bulk bag is ideal for professional jewelers, refiners, and industrial users who need consistent quality and performance.
Oxalic acid effectively removes tarnish, rust, and metal oxides, restoring the original shine to gold, silver, brass, and other metals. It’s also used as a wood bleach, stain lifter, and general cleaning agent, making it a versatile chemical for both workshop and household use.
Key Features
Powerful Rust and Tarnish Remover: Dissolves metal oxides and stains on gold, silver, and other metals.
Industrial-Grade Purity: Consistent crystalline powder for reliable performance in refining and restoration.
Multi-Purpose Cleaner: Use as a rust remover, stain lifter, wood bleach, or ink and mineral deposit remover.
Mix with Water: Creates a controlled solution for cleaning, polishing, or surface preparation.
Versatile Applications: Common in jewelry refining, metal finishing, automotive restoration, woodworking, and laboratory use.
Product Details
Chemical Name: Oxalic Acid Dihydrate
Formula: C₂H₂O₄·2H₂O
Form: White Crystalline Powder
Weight: 2 Pounds (Bulk Bag)
CAS Number: 6153-56-6
Packaging: Heavy-duty resealable moisture-resistant bag
Usage Examples
Polish and brighten gold and silver pieces
Remove rust and corrosion from metal surfaces
Lighten wood stains or refresh weathered furniture
Clean stone, tile, and concrete
Dissolve iron, ink, and mineral stains
Safety Note
Handle with care. Avoid contact with skin, eyes, or inhalation of dust. Always wear gloves and protective eyewear. Not for internal use.
As described in our Privacy Policy, we collect personal information from your interactions with us and our website, including through cookies and similar technologies. We may also share this personal information with third parties, including advertising partners. We do this in order to show you ads on other websites that are more relevant to your interests and for other reasons outlined in our privacy policy.
Sharing of personal information for targeted advertising based on your interaction on different websites may be considered "sales", "sharing", or "targeted advertising" under certain U.S. state privacy laws. Depending on where you live, you may have the right to opt out of these activities. If you would like to exercise this opt-out right, please follow the instructions below.
If you visit our website with the Global Privacy Control opt-out preference signal enabled, depending on where you are, we will treat this as a request to opt-out of activity that may be considered a “sale” or “sharing” of personal information or other uses that may be considered targeted advertising for the device and browser you used to visit our website.