Title: What is Oxalic Acid? | The Ultimate Guide to Uses, Benefits & Safety

Content:
Oxalic acid is a powerful organic acid with the chemical formula H₂C₂O₄. Found naturally in many plants like rhubarb and spinach, it is also produced industrially for a vast array of applications. This versatile compound exists as a white crystalline powder that is highly soluble in water. On this page, we explore the science behind oxalic acid, its most common industrial and domestic uses, and the critical safety protocols for handling it. As a leading supplier, we provide high-purity oxalic acid in various grades to meet the precise needs of manufacturers, artisans, and professionals worldwide. Discover why this essential chemical is a cornerstone in industries from metal cleaning to wood restoration.

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Molecular Formula: C₂H₂O₄·2H₂O (Dihydrate)
CAS No.: 6153-56-6 (Dihydrate)
Appearance: White crystalline powder or granules, highly soluble in water.

Key Applications

1. Metal Cleaning & Polishing

   • Effectively removes rust and oxides from metal surfaces, especially stainless steel, copper, and aluminum.

   • Used in electroplating as a polishing agent to enhance metal brightness.

2. Household Cleaning

   • Diluted solutions clean tile, toilet, and bathroom scale/soap scum.

   • Highly effective against stubborn stains (ink, paint, etc.).

3. Textile & Wood Treatment

   • Acts as a bleaching agent for fabric pre-treatment or wood whitening.

   • Removes iron stains from textiles.

4. Chemical & Laboratory Use

   • Used as a pharmaceutical intermediate or lab reagent (e.g., calcium chelator).

   • Key raw material for producing oxalates, dyes, and other chemicals.

5. Other Uses

   • Beekeeping: Cleans beehives.

   • Stone Care: Diluted solutions treat marble/stone stains (use with caution).

Safety Warning

⚠ Oxalic acid is corrosive! Handle with care:

• Wear gloves & goggles; avoid skin/eye contact.

• Store in a cool, dry place away from children & flammables.

• Do NOT mix with bleach (may release toxic gas).

Ordering Information

✅ Purity: ≥99% (Industrial/Reagent Grade available)
✅ Packaging: 25kg bags or drums (custom options)
✅ Shipping: Complies with international chemical transport standards; MSDS provided.

Why Choose Us?

✅ High-purity products, in compliance with international standards
✅ 30+ Years Chemical Manufacturing Experience
✅ Strict QC with Batch Traceability
✅ Global logistics, supporting sea and air transportation
✅ Technical support, providing customized solutions
✅ Factory direct supply, with strong price competitiveness