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N50 Ethyl Cellulose Pharmaceutical Use USP EP

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N50 Ethyl Cellulose Pharmaceutical Use USP EP

N50 Ethyl Cellulose Pharmaceutical Use USP EP
N50 Ethyl Cellulose Pharmaceutical Use USP EP

Large Image :  N50 Ethyl Cellulose Pharmaceutical Use USP EP

Product Details:
Place of Origin: China
Brand Name: Honest
Model Number: K70 K100 N10 N50 N100 N200
Payment & Shipping Terms:
Minimum Order Quantity: 1000kgs
Price: 15-35 usd/kg
Packaging Details: 20kgs/drum
Delivery Time: 15-20days
Payment Terms: TT L/C Western Union
Supply Ability: 300mt/month

N50 Ethyl Cellulose Pharmaceutical Use USP EP

Appearance: White Or Yellowish Powder Raw Material: Refined Cotton
Product Name: OEM Ethyl Cellulose Pharmaceutical Use Function: Thickener, Emulsifier, Film-former, Binder, Dispersing Agent
Certification: COA MSDS
High Light:

N50 Carboxymethyl Ethyl Cellulose


Pharmaceutical Methyl Hydroxy Ethyl Cellulose


USP Ethyl Hydroxyethyl Cellulose

                     Pharmaceutical Applicaion N7 N10 N20 N50 Ethyl Cellulose USP EP


EC is a naturally occurring polymer produced from wood pulp or cotton by treatment with alkali and then ethylation of the alkali cellulose with ethyl chloride.

Different EC grade can be produced by controlling the substitution of ethoxyl groups.



Name: Ethyl Cellulose
Abbreviation: EC
Structural formula:
N50 Ethyl Cellulose Pharmaceutical Use USP EP 0
In the formula , n stands for degree of polymerization and R for –H or –C2H5.
Ethyl Cellulose is a white to light yellowish, oderless and tastless, non-ionic polymer powder derived from cellulose through a series of chemical and physical processes.




In water

Practically insoluble in water and it is the only modified cellulose not soluble in water but soluble in ethanol.

In organic Solvents


Insoluble in glycerol and in propane-1,2-diol.

Its solubility in varying proportions in certain organic solvents depending upon the ethoxyl content:

Less than 46–48%: freely soluble in tetrahydrofuran, in methyl acetate, in chloroform and in aromatic hydrocarbon ethanol mixtures.

46–48% or more: freely soluble in ethanol, in methanol, in toluene, in chloroform and in ethyl acetate.

Technical requirements
1. Appearance: White or even yellowing powder.
2. Technical Index
Table 1

Item Index
K type N type T type
Content of ethoxy, % 45.0~47.9 48.0~49.5 49.6~51.0
Viscosity, mPas Conform to the requirements of table 2
Residue on ignition, % 0.4 Max
Loss on drying % 3.0 Max
Heavy metal ppm 20 Max
Arsenic ppm 3 Max
Bacterium 1000cfu/gram Max
Mold 100cfu/gram Max

3. Viscosity Specification

Level Specific range Level Specific range
4 3.0~5.5 45 41~49
7 6.0~8.5 55 51~60
10 9.0~12.5 70 62~74
15 13~ 16 90 80~90
20 18~22 100 91~110

Note: Provided that buyers have other
Due to its insolubility in water, ethyl cellulose is mainly used as tablet adhesive and thin film coating material, etc. It is also used as retarding agent for aggregate to make various types of aggregate slow-release pills; as slow-release agent or slow-release pills for compound material when making coat; as microcapsule material to make the medical effect release continuously, and avoid the preaction of water soluble medicine.
It can be too used in any type of medicine as dispersing agent, stabilizer and water retention agent to prevent medicine from absorption and deterioration, enhance the safe storage and stability of pills.
It can even be used as adhesive, slow-release agent and moisture-repellant agent for vitamine pills and mineral pills.
Selection guide of products for pharmaceutical:

Usage Applicable type ofthe product Typical Use Level
Controlled Release Coatings EN-4,EN-7,EN-10 3-20%
Microencapsulation EN-20,EN-45,EN-100 10-20%

Solvent-Based Coating for
Barrier or Taste Masking

All N Type


Direct Compression Granulation EN-7, EN-10, EN-100 5-40%
Solvent-Based Granulation EN-10,EN-20,EN-45 1-6%

Instruction for usage
While padding, add Ethyl Cellulose slowly into the container with solvent until it is fully wetted and dissolved.
It is packed in paper bags, fiberboard boxes or drums lined with PVC bags. Net weight per package: 10kg/20kg/50kg
N50 Ethyl Cellulose Pharmaceutical Use USP EP 1
Instruction for storage
Seal it and store in dry place.
Our team
N50 Ethyl Cellulose Pharmaceutical Use USP EP 2

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