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

Ashland Benecel HPMC 2208K K35M Hydroxyethyl Cellulose

Ashland Benecel HPMC 2208K K35M is a high-quality mid-to-high viscosity water-soluble polymer of hydroxypropyl methylcellulose in the Benecel 2208K series. Custom-designed for sustained-release matrices of oral solid dosage forms, direct compression and wet granulation, it meets stringent international pharmacopoeia standards

Features Of Ashland Benecel HPMC 2208K K35M Hydroxyethyl Cellulose

  1. Precise Sustained-Release Regulation - Mid-to-high viscosity hydrophilic gel feature, stably regulating drug release rate for long-acting administration

  2. Efficient Tableting Adaptation - Optimized particle morphology and bulk density, suitable for high-speed tableting, ensuring tablet weight uniformity

  3. Strong Binding & Molding - Excellent binding performance, enhancing tablet hardness and molding stability, reducing friability risk

  4. Multi-National Pharmacopoeia Compliance - Meets USP/EP/JP standards, high-purity pharm-grade quality, excellent batch stability

Typical Applications Of Ashland Benecel HPMC 2208K K35M Hydroxyethyl Cellulose

  1. Direct Compression Production - Used for direct compression of various oral tablets to simplify processes and improve production efficiency

  2. Wet Granulation Process - Used as binder in tablet wet granulation to improve particle formability and flowability

  3. Multi-Layer Tablet Preparation - Used for multi-layer sustained-release tablets to ensure interlayer bonding strength and overall stability

  4. Pharmaceutical Film Coating - Used as formulation film coating material to optimize appearance protection and storage stability

Specifications Of Ashland Benecel HPMC 2208K K35M Hydroxyethyl Cellulose

Chemical TypeHydroxypropyl Methylcellulose (HPMC) Type 2208,non-ionic cellulose ether
Physical FormWhite to off-white free-flowing powder
Core CharacteristicsMid-to-high viscosity,Water-soluble,Sustained-release matrix,High compressibility
CAS Number9004-65-3
Weight-Average Molecular Weight675,000
Viscosity (mPa·s)26,250-49,000(2% aqueous solution, 20℃)
Degree of SubstitutionMethoxyl content 19.0-24.0%,Hydroxypropoxyl content 4.0-12.0%


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