Oxalic Acid | High-Purity Industrial & Food-Grade Chemical

📌 Detailed Introduction of Oxalic Acid

✔ What is Oxalic Acid?

Oxalic Acid (C₂H₂O₄) is a highly versatile organic acid commonly found in industrial, chemical, and food applications. It exists in two forms:

• Oxalic Acid Anhydrous (pure form)

• Oxalic Acid Dihydrate (with two water molecules per unit)

It is odorless, colorless, and highly soluble in water, making it effective in cleaning, bleaching, and chemical processing.

✔ CAS Number & Chemical Formula:

• CAS Number: 144-62-7

• Chemical Formula: C₂H₂O₄ (Anhydrous), C₂H₂O₄·2H₂O (Dihydrate)

📌 Product Specifications

📌 Applications of Oxalic Acid

✔ Industrial Cleaning & Rust Removal

• Strong acidic properties dissolve rust, mineral deposits, and limescale

• Used in metal surface preparation before painting and coating

✔ Textile & Leather Industry

• Acts as a bleaching and dyeing agent

• Removes stains and ink residues from fabrics

✔ Pharmaceutical & Chemical Applications

• Used in the synthesis of pharmaceutical intermediates

• Key raw material for rare earth metal separation

✔ Water Treatment & Metal Processing

• Removes calcium deposits and scale from pipelines and machinery

• Used in gold extraction and purification

✔ Agriculture & Food Industry

• Preservative and pH regulator in food processing

• Found naturally in vegetables like spinach and rhubarb

✔ Household & Commercial Cleaning

• Found in stain removers, detergents, and descaling agents

• Effective against ink, tannin, and rust stains

📌 Working Principle of Oxalic Acid

1. Acidic Reaction: Reacts with alkali metals, calcium, and rust to dissolve deposits

2. Chelating Properties: Binds with metal ions, making it useful in cleaning and bleaching

3. Reduction Agent: Helps in metal refining and pharmaceutical synthesis

📌 Production Method & Raw Materials

✔ Raw Materials Used:

• Sodium Formate (NaHCOO)

• Sulfuric Acid (H₂SO₄)

• Carbon Monoxide (CO)

✔ Production Process:

1. Oxidation of Sodium Formate: Converts sodium formate to oxalic acid

2. Purification & Crystallization: Removes impurities and crystallizes the product

3. Drying & Packaging: Ensures high-purity final product

📌 Famous Oxalic Acid Brands Worldwide

• Clariant (Switzerland)

• Ube Industries (Japan)

• Oxaquim S.A. (Spain)

• Jiangsu Khonor Chemicals Co., Limited (China)

📌 Why Choose Jiangsu Khonor Chemicals Co., Limited?

✔ High-Purity Oxalic Acid (Industrial & Food Grade)
✔ ISO-Certified Production & Quality Control
✔ Competitive Pricing & Reliable Supply Chain
✔ Custom Packaging & Bulk Orders Available

📌 Order High-Quality Oxalic Acid from Jiangsu Khonor Chemicals Co., Limited Today!

Looking for a trusted Oxalic Acid supplier? Jiangsu Khonor Chemicals Co., Limited provides premium-grade Oxalic Acid with global shipping and competitive pricing.

📞 Contact us now for quotations & technical details!

Oxalic acid, with the chemical formula C2H2O4, is an organic compound that exists as a colorless crystalline solid at room temperature. It is classified as a dicarboxylic acid (due to having two carboxyl groups) and is both the simplest and among the strongest of these types of acids. It’s often found in its dihydrate form (C2H2O4·2H2O) which makes it less concentrated. However, oxalic acid is still quite potent and should be handled with care due to its toxic and corrosive nature.

1. Cleaning: Oxalic acid can effectively remove mineral deposits, rust, bleach stains, and other types of grime, which makes it widely used as a cleaner for a variety of surfaces, including wood and stone. It is particularly effective at removing rust stains and is therefore often used in boat cleaning and maintenance.
2. Bleaching Agent: It is used as a reducing agent for photography and ink removal, due to its potent bleaching properties.
3. Industrial Uses: The compound is used prominently in the dyeing processes and colorant production. It is used as a mordant in dyeing processes, which aids in making the dye color stick to the fabric firmly.
4. Pharmaceuticals: Oxalic acid also plays a role in the production of certain pharmaceuticals.
5. Metallurgy: In metallurgy, it is used as a precipitating agent.