Oxalic Acid Dihydrate – Industrial Organic Acid for Cleaning, Metal Treatment and Chemical Processing
Introduction
Oxalic Acid Dihydrate is a crystalline organic acid with the chemical formula C₂H₂O₄·2H₂O. It is the hydrated form of oxalic acid and is commonly supplied as a white or colorless crystalline powder. Known for its acidic, chelating, and reducing properties, Oxalic Acid Dihydrate is used in metal cleaning, rust removal, textile processing, wood restoration, and chemical manufacturing.
Its ability to react with metal ions and dissolve certain mineral deposits makes it useful in selected industrial cleaning and surface-treatment applications. Product performance depends on concentration, purity, processing conditions, and compatibility with the materials being treated.
Industrial Applications
Oxalic Acid Dihydrate is used in metal treatment and industrial cleaning formulations to help remove rust, iron stains, and certain mineral deposits from compatible surfaces. It can also serve as a chemical treatment agent in selected metal-finishing processes.
In textile manufacturing, Oxalic Acid Dihydrate is used in certain dyeing, bleaching, and stain-removal operations. Its acidic and reducing properties can support specific textile-processing requirements when used under controlled conditions.
In wood restoration and surface cleaning, it is used in suitable formulations to reduce iron-related discoloration and stains. Additional applications include laboratory analysis, chemical synthesis, and the production of selected oxalate compounds.
Key Benefits
- Effective stain removal: Helps remove certain rust stains, iron deposits, and mineral discoloration.
- Metal treatment properties: Useful in selected metal-cleaning and surface-preparation formulations.
- Chelating action: Can form complexes with certain metal ions in chemical processes.
- Chemical versatility: Used in textile processing, laboratory analysis, and chemical manufacturing.
- Crystalline form: Available as a solid material suitable for controlled formulation and handling.
- Industrial applications: Supports specialized cleaning, restoration, and manufacturing processes.
Product Specifications
| Parameter | Details |
|---|---|
| Product Name | Oxalic Acid Dihydrate |
| Alternative Names | Ethanedioic Acid Dihydrate, Oxalic Acid Hydrate |
| Chemical Formula | C₂H₂O₄·2H₂O |
| CAS Number | 6153-56-6 |
| Molecular Weight | 126.07 g/mol |
| Appearance | White or colorless crystalline powder |
| Odor | Odorless |
| Solubility | Soluble in water |
| Melting Behavior | Approximately 101–102°C, with loss of water and possible decomposition |
| Chemical Nature | Organic dicarboxylic acid |
| Primary Functions | Acidifying agent, cleaning agent, chelating agent, reducing agent |
| Common Applications | Rust removal, metal treatment, textile processing, wood cleaning, chemical manufacturing |
| Packaging | As specified by the supplier |
Specifications may vary by manufacturer and grade. Confirm the current technical data sheet (TDS), certificate of analysis (COA), assay, impurity limits, and packaging details before purchase or use.
Storage and Handling
Oxalic Acid Dihydrate is harmful if swallowed or inhaled and can cause serious eye damage and skin irritation. Exposure to significant quantities may affect calcium balance and kidney function. Appropriate industrial safety precautions are essential.
Store the material in tightly closed, clearly labelled containers in a cool, dry, well-ventilated area. Protect it from moisture, excessive heat, and incompatible substances, including strong oxidizing agents and strong bases.
Avoid creating or inhaling dust. Wear suitable chemical-resistant gloves, protective clothing, and safety goggles during handling. Use appropriate ventilation and follow the supplier's safety data sheet (SDS) for spill response, first aid, and waste disposal.
Quality and Supply
Consistent Oxalic Acid Dihydrate quality is important for industrial cleaning, metal treatment, and chemical processing applications. Buyers should verify purity, moisture content, appearance, particle size, and impurity levels before selecting a product grade.
A reliable supplier should provide technical documentation, including the TDS, COA, and SDS. Confirm the required grade, packaging, quantity, and delivery conditions to ensure the product is suitable for the intended application.
Conclusion
Oxalic Acid Dihydrate is a versatile organic acid used in industrial cleaning, rust removal, textile processing, wood restoration, and chemical manufacturing. Its acidic and metal-complexing properties make it valuable for selected surface-treatment and chemical-processing applications. Choosing the appropriate grade and following recommended safety procedures help ensure reliable performance and responsible industrial use.




































































































































