Ashland Aqualon EC-N50 PHARM is a pharmaceutical-grade non-ionic cellulose ether in the ethylcellulose series, tailored for pharmaceutical solid preparations, fine chemicals, cosmetics, electronic pastes, coatings and other scenarios. As an off-white or beige odorless fine particle/powder with excellent solubility in organic solvents, it has uniform and tough film-forming property, outstanding sustained-release and chemical stability
Pharmaceutical-Grade High Purity & Compliance - Meets USP, BP, PhEur and other pharmacopoeia standards, ignition residue ≤0.4%, heavy metals ≤20ppm, suitable for oral and external dosage forms.
Powerful Film-Forming & Sustained-Release - Uniform and tough film-forming, water-insoluble suitable for membrane-controlled sustained-release, precisely regulating drug release rate.
Chemical Stability & Weather Resistance - Resistant to acid, alkali and ion interference, light and heat stable, suitable for complex systems, stable performance during long-term storage.
Wide Solvent Compatibility - Easily soluble in chloroform, THF, aromatic hydrocarbons and other organic solvents, suitable for multi-process formulation systems.
Pharmaceutical Solid Preparations - Used as membrane-controlled sustained-release coating and matrix material for tablets/pellets, masking taste and moisture-proof, improving storage stability.
Fine Chemical Microcapsules - Used for microencapsulation of active ingredients, controlling release, improving ingredient stability and bioavailability.
Cosmetic Film-Forming & Setting - Used in mascara, eyeliner, etc., film-forming and setting, waterproof and sweat-proof, improving makeup durability.
Electronic Paste Bonding - Used as binder for electronic pastes, improving paste adhesion and film compactness, ensuring electrical conductivity.
| Chemical Name | Ethylcellulose (EC) |
| CAS No. | 9004-57-3 |
| Appearance | Off-white or beige odorless fine particle/powder |
| Ethoxy Content | 48.0-49.5% |
| Dynamic Viscosity (25°C) | 40-52 mPa·s |
| Molecular Weight | Approx. 160,000 |
| Ignition Residue | ≤0.4% |
| Heavy Metals | ≤20 ppm |
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