FOR INDUSTRIAL AND LABORATORY RESEARCH USE ONLY. NOT FOR DIRECT HUMAN CONSUMPTION, THERAPEUTIC OR HOUSEHOLD USE.
For industrial manufacturing and laboratory research purposes only.
Product Specifications
| Parameter |
Value |
| Product Name |
Oxalic Acid (Ethanedioic Acid) |
| CAS Number |
144-62-7 |
| Purity |
99.60% |
| Grade Standard |
Industrial Grade |
| Appearance |
White Powder |
| Molecular Weight |
90.03 |
| Melting Point |
101-102ºC |
| Boiling Point |
365.10 ºC |
| Flash Point |
188.79 ºC |
| Density |
1.772 G/Cm³ |
| Solubility |
Soluble in Water, Ethanol, Insoluble in Benzene |
| Acidity |
Medium Strong Acid |
| Carboxyl No. |
Dicarboxylic Acid |
| Alkyl No. |
Saturated Acid |
| Source |
Hydrolysis |
| Un No. |
3261 |
| HS Code |
29171110 |
| Certificate |
ISO9001, SGS, COA, MSDS, etc |
| Packaging |
25kg Bag |
| Port of Loading |
Qingdao, Tianjin, Shanghai |
| Origin |
Shandong, China |
| Production Capacity |
6000 Tons/Month |
How Inconsistent Oxalic Acid Quality Impacts Leather Processing and Stone Cleaning Operations
Over 10 years of serving leather tanneries and stone restoration workshops across 50+ countries, we’ve witnessed how purity fluctuations in industrial grade oxalic acid (CAS 144-62-7) lead to uneven dye absorption, surface etching inconsistencies, and costly production delays. Clients repeatedly report batch variations causing rework rates to spike by 20-30%—a problem compounded by unreliable suppliers unable to maintain consistent 99.6% purity levels.
Stable Supply of High Purity Oxalic Acid for Critical Industrial Processes
Our Industrial Grade Oxalic Acid addresses these challenges through a vertically integrated production system that ensures 99.6% purity with minimal batch-to-batch variation. Backed by a monthly production capacity of 6000 tons and strategic storage across Qingdao, Tianjin, and Shanghai ports, we guarantee 48-hour order processing and reliable delivery to manufacturing facilities worldwide—eliminating the supply chain disruptions that plague the chemical procurement process.
Key Industrial Applications of Ethanedioic Acid
As a dicarboxylic acid with strong chelating properties, this 99.6% Oxalic Acid Powder finds essential use in leather processing for deliming and bleaching operations, where its controlled acidity ensures consistent hide preparation. In stone cleaning applications, it effectively removes mineral deposits and rust stains without damaging delicate surfaces. Additional industrial uses include metal surface treatment, mining operations, and as a reducing agent in chemical synthesis processes.
Why Purity and Consistency Matter in Industrial Oxalic Acid
The 99.6% purity specification is critical for avoiding unwanted副反应 in leather processing—lower purity grades introduce impurities that compromise dye adhesion and increase wastewater treatment costs. The precise melting point (101-102ºC) ensures predictable behavior in thermal processes, while the medium strong acidity profile provides effective cleaning power without excessive material etching. Our strict quality control also guarantees low heavy metal content, meeting EU REACH standards and simplifying compliance for export-oriented manufacturers.
The Cost of Compromise: Risks of Substandard Oxalic Acid
Choosing lower quality oxalic acid may seem cost-effective initially, but often results in hidden expenses: reprocessing leather batches due to uneven bleaching, replacing damaged stone surfaces from aggressive impurities, and costly production downtime during supply shortages. Our ISO9001-certified production ensures each batch meets exact specifications, supported by SGS third-party testing, which translates to consistent end-product quality and reduced waste. Clients report an average 15% reduction in overall processing costs after switching to our stable supply.
Our Quality Assurance Framework
Every production lot undergoes rigorous testing using HPLC and titration methods to verify purity and composition before release. We provide comprehensive COA documents with each shipment, detailing key parameters like assay value, moisture content, and heavy metal concentrations. Our dedicated quality control team maintains batch records for 5 years, allowing full traceability. For clients with specialized requirements, we offer custom testing protocols and can arrange pre-shipment sample verification through independent laboratories.
Certificate of Analysis & Documentation
Each delivery includes a batch-specific Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS) compliant with UN GHS standards (UN No. 3261). Clients can request additional documentation such as ISO9001 certification, origin statements, and customs declarations. For critical applications requiring detailed analytical data, specific test results for parameters like iron content or insoluble matter can be provided upon request.
Storage & Handling
- Store in a cool, dry, well-ventilated area, sealed and away from direct sunlight.
- Keep away from incompatible materials, food and feed sources.
- Handle with appropriate personal protective equipment (gloves, goggles, lab coat).
- Follow good industrial hygiene practices. Avoid inhalation and skin contact.
- Refer to MSDS for detailed storage and safety instructions.
Streamlined Order Process for Industrial Buyers
Our procurement process is designed for industrial efficiency: submit your inquiry with required quantity and delivery terms (FOB/CIF available), request a free sample for qualification testing, receive a formal quotation within 24 hours, and confirm your order with flexible payment options including letters of credit. All shipments include full customs documentation and are tracked until delivery, with dedicated account managers available for technical support throughout the process.
Frequently Asked Questions
Q: What is the shelf life of your industrial grade oxalic acid?
A: When stored properly in original sealed packaging, our oxalic acid maintains specification for 24 months from the production date indicated on the COA.
Q: Is this product suitable for food or pharmaceutical applications?
A: No, this is strictly industrial grade material intended for manufacturing and research use only. It is not certified for food, medical, or household applications.
Q: What documentation is provided with each shipment?
A: Standard documentation includes Certificate of Analysis, MSDS, packing list, commercial invoice, and bill of lading. Additional certificates (like SGS reports) can be arranged upon request.
Q: Do you offer custom packaging options?
A: Yes, beyond standard 25kg bags, we can provide bulk packaging in 500kg or 1000kg super sacks for large-volume orders. Custom labeling is available for qualified buyers.
Q: How do you ensure product purity?
A: Purity is verified through multiple stages of testing
