Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Ashland Aqualon N22 Pharm Ethyl Cellulose

Ashland Aqualon N22 Pharm Ethyl Cellulose is a pharmaceutical-grade ethyl cellulose polymer with 48–49.5% ethoxyl content, designed for controlled-release coatings, tablet binding, and microencapsulation. It offers excellent film-forming ability, water insolubility, and organic solvent solubility—ideal for robust, pH-independent drug delivery systems compliant with USP/NF and EP standards.
  • ashland aqualon n22 pharm ethyl cellulose_8d8818d2
  • ashland aqualon n22 pharm ethyl cellulose_8d8818d2

Features Of Ashland Aqualon N22 Pharm Ethyl Cellulose

  1. Pharmaceutical-grade ethyl cellulose meeting USP/NF and EP monograph requirements.

  2. Consistent molecular weight distribution ensuring reproducible film-forming performance in oral solid dosage forms.

  3. Low ash content and stringent heavy metal controls for enhanced safety in drug product formulation.

  4. Soluble in common organic solvents (e.g., ethanol, acetone, dichloromethane) but insoluble in water and gastrointestinal fluids.

  5. Excellent thermal stability during fluid-bed coating and hot-melt extrusion processing.

Typical Applications Of Ashland Aqualon N22 Pharm Ethyl Cellulose

  1. Sustained-release matrix tablets for controlled drug delivery.

  2. Functional film coatings for immediate- and extended-release oral dosage forms.

  3. Binders in direct compression and wet granulation formulations.

  4. Release-retarding agents in multiparticulate systems (e.g., pellets, beads).

  5. Stabilizer and viscosity modifier in topical and ophthalmic semisolid preparations.

Specifications Of Ashland Aqualon N22 Pharm Ethyl Cellulose

Chemical TypeEthyl cellulose ether derivative
Product FormFree-flowing white to off-white powder
AppearanceOdorless, tasteless, fine particulate powder
Primary ApplicationsOral solid dosage forms, film coating, sustained release
Key FeaturesUSP/NF compliant, low moisture content, high purity
BenefitsRobust film integrity, pH-independent release modulation, regulatory support dossier available
Storage ConditionsStore in original sealed container at 15–30 °C, protect from moisture
ComplianceMeets requirements of USP <85>, USP <71>, EP 2.6.12, and ICH Q5C


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