Oxalic Acid Dihydrate 99.6% Purity Rust Remover and Metal Cleaning Agent
Oxalic Acid Dihydrate 99.6% is a premium-grade rust remover and metal cleaning agent with exceptional chelating properties and reducing capabilities. This colorless, crystalline substance is indispensable in metal surface treatment, textile processing, and pharmaceutical synthesis.
Alias: Ethylene Glycolic Acid
English Name: Oxalic acid
Chemical Formula: H₂C₂O₄
Molecular Weight: 90.04
CAS: 144-62-7
Superior Rust Removal Performance
Oxalic acid effectively removes rust through unique chemical interactions with iron oxides, forming water-soluble ferric oxalate complexes that dissolve rust while preserving the underlying base metal. The dihydrate form (C₂H₂O₄·2H₂O) offers optimal stability and solubility for industrial applications.
Industrial Applications
Metal surface treatment and preparation
Aluminum brightening and anodizing
Copper and brass cleaning
Stainless steel passivation
Textile processing
Pharmaceutical synthesis
Technical Specifications
Produced under strict ISO standards with guaranteed batch-to-batch consistency in particle size distribution, acid strength, and chemical composition. Multiple recrystallization processes eliminate impurities including heavy metals, chlorides, and sulfates.
Recommended Usage
Application
Concentration
Temperature
Method
Rust Removal
2-10% aqueous solution
60-80°C
Brushing, spraying, or immersion
Metal Cleaning
Varies by application
60-80°C
Immersion or circulation
Safety & Environmental Benefits
While effective, oxalic acid requires proper handling with appropriate PPE. Our high-purity product ensures minimal heavy metal contamination in wastewater, and its inherent biodegradability simplifies treatment processes. Comprehensive Safety Data Sheets and technical support provided.
Packaging Options
Available in 25 kg bags to 1000 kg intermediate bulk containers (IBCs), all designed with moisture barriers to maintain product integrity. Customized delivery schedules and on-site technical consultations available for large-scale industrial users.