CAS 141-78-6 Ethyl acetate (ETAC/EtOAc) is primarily produced industrially through the esterification of ethanol with acetic acid or the dehydrogenation of ethanol. The process involves mixing the reactants, heating, followed by distillation and purification to achieve industrial-grade purity.
How is ethyl acetate chemical produced in industry?
Production Method 1: Fischer Esterification Process
Ethanol reacts with acetic acid to produce ethyl acetate and water.
Common catalysts: sulfuric acid, PTSA, reusable solid ion-exchange acid resins.
- Process Flow
Reactants react under heat and pressure in reactors; water is removed to increase yield. Pure product is obtained by distillation, with residual materials recycled.
- Advantages
Simple process, low cost, abundant raw materials, suitable for large-scale production.
- Limitations
Acid catalysts are difficult to handle; side reactions generate impurities; purification increases cost.
Production Method 2: Tishchenko Process (Acetaldehyde Route)
Two acetaldehyde molecules combine into ethyl acetate, catalyzed by aluminum alkoxide.
- Process Description
Acetaldehyde dimerizes in reactors; catalyst is recycled, and high-purity product is separated via distillation.
- Advantages
High yield (over 95%), no water byproduct, energy-saving, high purity.
- Limitations
Raw material acetaldehyde is costly and limited; expensive catalysts and strict reaction conditions required.
Production Method 3: Ethanol Dehydrogenation Route
Single raw material ethanol is converted stepwise into acetaldehyde, then into ethyl acetate with Cu/Pd catalysts.
- Process Flow
Ethanol vapor undergoes dehydrogenation and synthesis in reactors; final product is separated by distillation, byproducts recycled.
- Advantages
Green & sustainable, only ethanol used, fewer impurities, eco-friendly.
- Limitations
Complex equipment, expensive advanced catalysts, strict temperature control, high initial investment.
| Method | Raw Materials | Yield | Capex (Investment) | Purity | By-products | Global Usage |
| Fischer Esterification | Ethanol + Acetic Acid | Medium | Low | High | Water | Very common |
| Tishchenko | Acetaldehyde | High | Medium | Very high | None | Large plants |
| Ethanol Dehydrogenation | Ethanol | High | Moderate | High | Acetaldehyde | Emerging |
Looking for a reliable Ethyl Acetate(ETAC/EtOAc) Solvent Supplier or manufacturer? Contact us for bulk supply, COA, SDS and competitive pricing.
Quality Specifications of Industrial Ethyl Acetate
High-quality ethyl acetate typically boasts 99.5%–99.9% purity, with low moisture (to avoid cloudiness), minimal acidity (for stability), and clear color. Residue levels are controlled to prevent contamination, and GC chromatograms ensure consistency-like a fingerprint verifying authenticity. For detailed specs, check our product pages or request an SDS.
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Gneebio Product Packaging
| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 250 kg |
| IBC Tank | 1250 kg |
| ISO Tank | Bulk shipment |
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