Cellulose Ethers

EC — Ethyl Cellulose

A non-ionic cellulose ether widely used in pharmaceuticals, inks, and coatings. Known for excellent film-forming, binding, and thickening properties with stable performance.

High ethoxy content for stable quality
Soluble in organic solvents, insoluble in water
Excellent film-forming & binding ability
Multiple viscosity grades available
CAS No.: 9004-57-3 Viscosity: 5 – 300 mPa·s Ethoxy: 45.0 – 51.0% Package: 20–25 kg/bag
Ethyl Cellulose (EC) powder sample

Core Specifications

EC (Ethyl Cellulose, CAS 9004-57-3) is a non-ionic cellulose ether. Below are the typical specifications.

AppearanceWhite to off-white powder

Free-flowing, odorless.

Visual
Ethoxy Content45.0 – 51.0%

Represents substitution degree.

Composition
Viscosity5 – 300 mPa·s

Measured in 5% solution @25°C, grade dependent.

Rheology
Moisture≤ 3%

Loss on drying.

Stability
Ash≤ 0.4%

Residue on ignition.

Purity
Heavy Metals≤ 20 ppm

Measured on dry basis.

Quality control
Shelf Life2 years

Store in cool, dry place.

Storage
Package20–25 kg/bag

Standard export packaging.

Logistics
OriginChina

Industrial production.

Source
EC in coatings and paints

Coatings & Paints

Used as film-forming agent and rheology modifier to improve durability and surface quality.

EC in printing inks

Printing Inks

Acts as a binder and viscosity modifier, improving abrasion resistance and print quality.

EC in pharmaceuticals

Pharmaceuticals

Used in tablet coatings and capsules for controlled release and moisture protection.

Trusted Supply • Easy Contact

All EC products are from certified partner factories with COA per batch. Focus on your project — we take care of compliance and logistics. Reach out anytime for fast support.

Why Work With Us?

Certified partner factories • COA with every batch • Flexible shipping • Responsive support

FAQ

What is the MOQ and lead time?

MOQ is 1 ton. Typical lead time is 7–15 days depending on stock and port schedule.

Do you provide certificates and testing?

Each batch is supplied with a COA (Certificate of Analysis). Additional documents such as MSDS, TDS or other compliance certificates can be provided when available. For special requests, third-party inspection or testing can be arranged, with the inspection fee borne by the buyer.

Which payment terms do you accept?

T/T, L/C, and flexible options for long-term clients. Please confirm details during inquiry.