Ashland Benecel HPMC 2910E E4M Hydroxypropyl Methylcellulose

Features Of Ashland Aquasolve HPMCAS L Hydroxypropyl Methylcellulose Acetate Succinate

1. pH-Dependent Solubility - Insoluble in gastric acid environment, rapidly swells and dissolves in small intestine, achieving intestinal targeted release

2. Bioavailability Enhancement - As solid dispersion carrier, significantly improves solubility of poorly soluble drugs

3. Tough Film-Forming Protection - Forms dense and flexible films, blocking gastric acid erosion and ensuring drug stability

4. Excellent Processing Adaptation - Suitable for aqueous dispersion coating, organic solvent coating and other processes with good flowability

Typical Applications Of Ashland Aquasolve HPMCAS L Hydroxypropyl Methylcellulose Acetate Succinate

1. Solid Dispersion Preparation - Used as carrier for solid dispersion of poorly soluble drugs to improve drug dissolution rate

2. Formulation Enteric Coating - Used for enteric coating of tablets and capsules to achieve intestinal targeted drug release

3. Intestinal Targeted Formulations - Constructs intestinal targeted delivery systems, protecting bioactive drugs from gastric acid damage

4. Sustained-Release Matrix - Used as matrix material for sustained-release formulations to regulate stable drug release in intestines

Specifications Of Ashland Aquasolve HPMCAS L Hydroxypropyl Methylcellulose Acetate Succinate

Ashland Benecel HPMC 2910E E4M Hydroxypropyl Methylcellulose – Frequently Asked Questions (FAQ)

Q1: What is the primary functional role of Benecel HPMC 2910E E4M in pharmaceutical and food formulations?

A: Benecel HPMC 2910E E4M functions primarily as a water-soluble viscosity modifier, film former, and binder. It provides controlled hydration, gelation upon heating, and excellent film integrity—making it especially valuable in immediate- and modified-release oral dosage forms, as well as stabilizing suspensions and emulsions in food systems.

Q2: How does the E4M grade designation relate to its performance characteristics?

A: The “E4M” designation indicates a specific viscosity grade within the Benecel HPMC 2910 series, corresponding to a nominal 4 mPa·s viscosity in a 2% aqueous solution at 20 °C. This low-to-moderate viscosity profile supports easy handling during processing while still delivering effective thickening, suspension stabilization, and film-forming capability in final applications.

Q3: Is Benecel HPMC 2910E E4M suitable for hot-melt extrusion or high-temperature processing?

A: While HPMC is generally thermally stable up to approximately 190–200 °C, Benecel HPMC 2910E E4M is not typically recommended for prolonged exposure to high-temperature melt processing such as hot-melt extrusion without careful formulation evaluation. Its thermal gelation behavior and potential for premature decomposition above 180 °C require process-specific validation to ensure performance consistency.

Q4: Can this grade be used in clear aqueous gels or transparent coatings?

A: Yes—Benecel HPMC 2910E E4M dissolves readily in cold water to yield clear, low-viscosity solutions ideal for transparent films and gels. Its high purity and low ash content contribute to optical clarity, making it well-suited for applications where visual appearance is critical, such as edible coatings or ophthalmic gels.