Sodium ethoxide
Sodium Ethoxide: High-Quality Chemical Solution for Industrial Applications
Sodium ethoxide (C2H5ONa) is a versatile chemical compound widely used in organic synthesis, pharmaceuticals, and biodiesel production. As a strong base and nucleophile, it plays a crucial role in various industrial processes.
Product Specifications
- Chemical Formula: C2H5ONa
- Molecular Weight: 68.05 g/mol
- Appearance: White to yellowish powder
- Purity: ≥95% (technical grade), ≥99% (reagent grade)
- Solubility: Soluble in ethanol, decomposes in water
- Melting Point: 260°C (decomposes)
- Density: 0.868 g/cm3
- Storage: Dry, inert atmosphere, moisture-free conditions
Packaging Options
| Package Type | Weight | Material |
|---|---|---|
| Bottles | 100g, 500g, 1kg | Glass/Plastic |
| Drums | 5kg, 10kg, 25kg | Plastic/Metal |
| Custom Packaging | As per requirement | Specialized materials |
Key Applications
Sodium ethoxide finds applications in:
- Condensation reactions in organic synthesis
- Esterification and transesterification processes
- Pharmaceutical intermediate production
- Biodiesel production catalyst
- Polymerization reactions
Frequently Asked Questions About Sodium Ethoxide
Storage and Handling
How should Sodium ethoxide be stored?
Sodium ethoxide must be stored in airtight containers under inert gas (argon or nitrogen) to prevent moisture absorption and decomposition. The storage area should be cool, dry, and well-ventilated, away from incompatible materials like acids, oxidizers, and water sources.
What safety precautions are necessary when handling Sodium ethoxide?
Always use appropriate PPE including chemical-resistant gloves, safety goggles, and protective clothing. Work in a fume hood when handling powder forms. Avoid contact with skin, eyes, and clothing. In case of exposure, rinse immediately with plenty of water for at least 15 minutes and seek medical attention.
Technical Information
What is the shelf life of Sodium ethoxide?
When properly stored, Sodium ethoxide typically has a shelf life of 12-24 months. However, the actual shelf life depends on storage conditions. Signs of degradation include color change (yellow to brown) and clumping due to moisture absorption. For critical applications, we recommend testing the material before use if stored for extended periods.
How is Sodium ethoxide typically manufactured?
Sodium ethoxide is produced by the reaction of sodium metal with absolute ethanol. The reaction is highly exothermic and must be carefully controlled. The resulting product is then purified and packaged under anhydrous conditions to maintain quality and stability.
Application Questions
How is Sodium ethoxide used in biodiesel production?
In biodiesel production, Sodium ethoxide serves as a transesterification catalyst, facilitating the conversion of triglycerides (vegetable oils or animal fats) into fatty acid methyl esters (biodiesel) and glycerol. It's typically used at concentrations of 0.5-1.5% by weight of oil, offering higher reaction rates compared to sodium hydroxide.
What distinguishes Sodium ethoxide from Sodium methoxide in chemical reactions?
While both are strong alkoxide bases, Sodium ethoxide has slightly different reactivity and solubility properties. The choice between them depends on the specific reaction requirements. Sodium ethoxide is often preferred when ethanol is the solvent of choice, as it avoids introducing methanol into the system.
Quality Assurance
Our Sodium ethoxide undergoes rigorous quality control procedures to ensure consistency and reliability:
| Test Parameter | Method | Specification |
|---|---|---|
| Assay (NaOC2H5) | Titration | ≥95% or ≥99% |
| Water Content | Karl Fischer | ≤1.0% |
| Insoluble Matter | Gravimetric | ≤0.5% |
| Sodium Hydroxide | Titration | ≤1.0% |
| Sodium Ethyl Carbonate | FTIR | ≤1.5% |
Ordering Information
For purchasing Sodium ethoxide or to request additional technical information, please contact our sales team with the following details:
- Required quantity and packaging type
- Desired purity grade (technical or reagent)
- Intended application
- Shipping destination and required delivery date
Note: Special packaging or purity requirements can be accommodated upon request. Lead times may vary based on order volume and customization needs.