Name: Ashland Natrosol G Pharm Hydroxyethyl Cellulose
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Ashland Natrosol G Pharm Hydroxyethyl Cellulose

Pharmaceutical-grade purity compliant with USP/NF, EP, and JP monographs.
Highly consistent rheology and viscosity performance across batches.
Excellent cold-water solubility with rapid hydration and minimal claying.
Non-ionic nature ensures compatibility with electrolytes, active pharmaceutical ingredients (APIs), and common excipients.
Provides robust suspension stabilization and film-forming capability in liquid and semi-solid formulations.

Typical Applications Of Ashland Natrosol G Pharm Hydroxyethyl Cellulose

Ophthalmic solutions and suspensions requiring clarity, sterility, and mucoadhesion.
Topical gels and creams for sustained release and improved skin feel.
Oral liquid suspensions to prevent particle settling and ensure dose uniformity.
Controlled-release tablet coatings and binder systems in direct compression.
Injectable depot formulations where low endotoxin and high solution clarity are critical.

Chemical Type	Non-ionic cellulose ether derivative (hydroxyethyl cellulose)
Product Form	White to off-white free-flowing powder
Appearance	Odorless, fine granular powder
Primary Applications	Pharmaceutical formulations: ophthalmic, topical, oral, injectable, and solid dosage forms
Key Features	USP/NF, EP, JP compliant; low endotoxin; sterile-filterable solutions
Viscosity (2% aqueous solution, 20°C)	150–250 mPa·s (as measured per USP <911>)
Substitution (Molar Substitution, MS)	2.3–2.7
Heavy Metals (as Pb)	<10 ppm

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E-mail: wangxingqiang@ericwchem.com
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