Sichuan Hongjian Xinyi Technology Co., Ltd.
"Honest cooperation, creating the future together!"
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Oxalic Acid is a core product of Hongjian Chemical based on biomass refining technology platform. Known for its unique strong reducibility and complexation capability, it demonstrates outstanding value in high-end cleaning and new material fields. The company adopts the green process route of "starch sugar-nitric acid oxidation-crystallization purification," achieving precise conversion from renewable resources to high-value chemicals.
❋ Aliases: Ethanedioic Acid
❋ English Name: Oxalic Acid
❋ Chemical Formula: H₂C₂O₄·2H₂O
❋ Molecular Weight: 126.07
❋ CAS Number: 144-62-7 (anhydrous), 6153-56-6 (dihydrate)
Key Properties: Strong reducibility, high acidity, excellent complexation ability, biodegradable
1. "Precision Cleaning Expert" in Electronics Industry
Electronic-grade oxalic acid developed by Hongjian with total metal ions ≤0.5ppm improves wafer cleaning yield to 99.5%
Special formula for photovoltaic cell texturing reduces surface reflectance below 10%, increasing photoelectric conversion efficiency by 0.8%
2. "Surface Engineering Master" in Metal Treatment
Corrosion-inhibited oxalic acid for stainless steel pickling achieves metal corrosion rate ≤1.5g/m²·h, surface smoothness Ra≤0.2μm
Aluminum alloy electrolytic polishing solution improves surface roughness by 85%, glossiness increased to over 900GU
3. "Green Synthesis Assistant" in Pharmaceutical Industry
Special oxalic acid for antibiotic synthesis with purity ≥99.95%, heavy metal content ≤2ppm
Drug crystallization regulator achieves crystal form control accuracy of 98%, product yield increased by 12%
4. "Heavy Metal Capturer" in Environmental Remediation
Industrial wastewater treatment agent achieves heavy metal ion removal rate ≥99.9%, sludge reduction 60%
Soil remediation chelating agent reduces available heavy metals by 75%, restoring soil microbial activity to 85%
Green Synthesis Breakthrough
Developed new "controlled starch oxidation" technology, improving atom utilization to 85%, reducing nitric acid consumption by 40%
Mother liquor recycling system reduces wastewater COD emission by 80%, achieving near-zero discharge
Purification Technology Innovation
Adopts "molecular sieve-activated carbon" coupled purification process, product whiteness ≥97%, transmittance ≥95%
Continuous crystallization technology achieves product particle size distribution concentration ≥90%, improving fluidity by 35%
Intelligent Manufacturing Upgrade
Implements DCS intelligent control system with key process parameter control accuracy ±0.5%
Establishes product traceability system with automatic quality data collection rate 100%
Sustainable Development Achievements
Products certified by EU REACH, biodegradability ≥90%
Unit product carbon emission reduced by 50%, awarded national green design product certification
Process Advantages
Dihydrate content ≥99.6%, sulfate ≤0.08%
Anhydrous ignition residue ≤0.02%, chloride ion ≤10ppm
Quality Assurance
Electronic-grade products certified by SEMI standards, particle size controlled at 0.5-5μm
Pharmaceutical-grade production line passes GMP audit, microbial limit ≤100cfu/g
Service Features
Provides application process optimization solutions to assist customers in achieving clean production
Establishes technical expert support team with 24-hour customer response
✅ 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