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CAS No.: 9004-57-3
Molecular Formula: (C6H7O2(OC2H5))n
Product Type: Cellulose Ether / Polymer Material
Common Specification: Ethoxyl Content 48.0–49.5%
Ethyl cellulose (CAS 9004-57-3) is a non-ionic cellulose derivative obtained by etherification of natural cellulose. It is insoluble in water but soluble in many organic solvents, possessing excellent film-forming properties, thermal stability, chemical resistance, and mechanical strength.
Ethyl cellulose is widely used in sustained-release pharmaceutical formulations, coatings and inks, electronic materials, food packaging, personal care products, and industrial adhesives. It is an important functional material in high-end industrial and pharmaceutical industries.
| Item | Specification |
|---|---|
| Product Name | Ethyl Cellulose |
| CAS Number | 9004-57-3 |
| Appearance | White to off-white powder or granules |
| Ethoxyl Content | 48.0–49.5 % |
| Viscosity | Customized (5–300 mPa·s) |
| Solubility | Soluble in organic solvents |
| Insolubility | Insoluble in water |
| Glass Transition Temperature | Approx. 130°C |
| Moisture Content | ≤ 3.0% |
| pH (5% suspension) | 5.0 – 7.5 |
| Shelf Life | 24 months |
1. Pharmaceutical Industry (Pharmaceutical Grade)
Sustained-release and controlled-release drug coatings
Pharmaceutical film materials
Microcapsules and drug carriers
2. Coatings and Inks
Printing ink film-forming agents
Industrial protective coatings
Solvent-resistant coating systems
3. Electronics and Industrial Materials
Electronic pastes and insulating coatings
Adhesives and sealing materials
4. Food and Personal Care
Functional coatings for food packaging
Film-forming agents for nail polish and hair care products
✅ Non-ionic, high chemical stability
✅ Excellent film-forming properties and solvent resistance
✅ Complete range of viscosity specifications, customizable options available
✅ Pharmaceutical grade and industrial grade options
✅ Consistent batch quality, suitable for long-term supply
🌍 Years of experience in exporting cellulose ethers and fine chemicals
🏆 Strict quality management system, ensuring stable quality
📄 COA / MSDS / TDS available
📦 Supports OEM packaging and technical selection advice
🚢 Global market coverage, stable and efficient delivery
Packaging Specifications: 25kg paper bag / cardboard drum
Storage Conditions: Store in a sealed, dry, and cool place.
Shelf Life: 24 months (unopened)
Q1: Is Ethyl Cellulose water soluble?
A: No, Ethyl Cellulose is insoluble in water but soluble in many organic solvents.
Q2: Can you supply pharmaceutical grade Ethyl Cellulose?
A: Yes, pharmaceutical grade material is available with full documentation.
Q3: Can viscosity be customized?
A: Yes, different viscosity grades can be supplied upon request.
Q4: Do you provide samples?
A: Yes, samples are available for evaluation.
Q5: What documents are available?
A: COA, MSDS, TDS, and specification sheets.
