Oxalic Acid Powder – 2 lb Bag | Metal Cleaner, Rust Remover, and Refining Agent

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.