Diethyl oxalate
Diethyl Oxalate: High Purity Industrial Solvent and Chemical Intermediate
Diethyl oxalate (C6H10O4) is a valuable ester of oxalic acid widely used in organic synthesis and industrial applications. Our high-purity Diethyl oxalate meets the strictest quality standards for pharmaceutical intermediates, dye manufacturing, and specialty chemical production.
Product Specifications
- CAS Number: 95-92-1
- Molecular Formula: C6H10O4
- Molecular Weight: 146.14 g/mol
- Appearance: Colorless liquid
- Purity: ≥99.5% (GC)
- Density: 1.078 g/cm³ at 20°C
- Boiling Point: 185-186°C
- Flash Point: 75°C
- Solubility: Miscible with most organic solvents, slightly soluble in water
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (GC) | ≥99.5% | ASTM E260 |
| Water Content | ≤0.1% | Karl Fischer |
| Acidity (as Oxalic Acid) | ≤0.02% | Titration |
| Residue on Evaporation | ≤0.01% | Gravimetric |
| Refractive Index (n20/D) | 1.410-1.412 | ASTM D1218 |
Key Applications of Diethyl Oxalate
Diethyl oxalate serves multiple functions across industries:
- Pharmaceutical intermediate for active pharmaceutical ingredients (APIs)
- Cross-linking agent in polymer chemistry
- Dye and pigment manufacturing
- Flavor and fragrance synthesis
- Organic synthesis reagent
- Plasticizer component
Packaging Options
| Package Type | Volume | Material |
|---|---|---|
| Drum | 200 kg | Stainless Steel |
| Jerrycan | 20 kg | HDPE |
| Bottle | 1 kg | Glass |
| IBC | 1000 kg | Stainless Steel |
Diethyl Oxalate Safety Information
- GHS Classification: Flammable Liquid Category 3, Skin Irritant Category 2
- Proper PPE: Chemical goggles, gloves, and protective clothing
- Storage: Keep in tightly closed containers in cool, well-ventilated area
- Incompatible Materials: Strong oxidizers, strong bases, strong acids
Diethyl Oxalate FAQ
What is the shelf life of Diethyl oxalate?
When stored properly in sealed containers away from heat and moisture, Diethyl oxalate maintains its quality for at least 24 months from production date. For optimal results, we recommend using within 12 months of opening the container. The material should be stored under nitrogen blanket when not in use for extended periods.
How should Diethyl oxalate be handled safely?
Diethyl oxalate requires careful handling due to its flammable nature and potential skin irritation properties. Always work in well-ventilated areas, preferably under fume hoods. Use appropriate personal protective equipment including nitrile gloves and chemical splash goggles. When transferring large quantities, ensure proper grounding to prevent static discharge. In case of spillage, absorb with inert material and dispose according to local regulations.
What makes Diethyl oxalate different from other oxalate esters?
Diethyl oxaldehyde offers distinct advantages in reactivity profile and solubility characteristics compared to other oxalate esters. Its balanced combination of reactivity and stability makes it particularly useful for controlled synthesis reactions. The ethyl groups provide optimal steric properties for many coupling reactions, while maintaining sufficient reactivity. Additionally, Diethyl oxalate's solubility profile allows for use in diverse solvent systems without excessive hydrophobicity.
Technical Support
Our technical team provides comprehensive support for Diethyl oxalate applications, including:
- Custom synthesis consultation
- Process optimization
- Safety handling protocols
- Analytical method development
- Regulatory compliance guidance
Quality Assurance
Every batch of Diethyl oxaldehyde undergoes rigorous quality control testing including:
- GC purity analysis
- Water content determination
- Acidity testing
- Physical property verification
- Residual solvent analysis
Certificates of Analysis are available for all shipments.