Short Lead Time for Broad Spectrum Insecticide - 2017 High quality Emamectin Price - Pharma grade Ethyl Cellulose (EC) – HONEST – HONEST

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Ethyl Cellulose for pharmaceutical application 【Introduction】  Name: Ethyl Cellulose Abbreviation: EC Structural formula:   In the formula, n stands for degree of polymerization and R for –H or –C2H5. Characteristics: Ethyl Cellulose is a kind of white grains or powder, having no smell or tastes. Its 5% soliquoid shows neutral to litmus test paper. Its specific density 1.07~1.18, heat distortion point: 135~155degree centigrade, and fire point: 330~360 degree centigrade. Ethyl Cellulose has ...


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Short Lead Time for Broad Spectrum Insecticide - 2017 High quality Emamectin Price - Pharma grade Ethyl Cellulose (EC) – HONEST – HONEST Detail:

Ethyl Cellulose for pharmaceutical application

Introduction 

Name: Ethyl Cellulose

Abbreviation: EC

Structural formula:

 333

In the formula, n stands for degree of polymerization and R for –H or –C2H5.

Characteristics:

Ethyl Cellulose is a kind of white grains or powder, having no smell or tastes. Its 5% soliquoid shows neutral to litmus test paper. Its specific density 1.07~1.18, heat distortion point: 135~155degree centigrade, and fire point: 330~360 degree centigrade. Ethyl Cellulose has good stability against light, heat, oxygen and wetness, and is stable to chemicals. It is resistant to alkali, dilute acid and salting liquid, soluble in some organic solvents, such as alcohol, ether, ketone, ester, aromatic hydrocarbon and halohydrocarbon, etc, and compatible with many celluloses, resin and nearly all plasticizers. Ethyl Cellulose has low combustibility, small hydroscopicity and good electric behavior. Its thin film and plastics have good mechanical strength and flexibility in a wide range of temperature.

Technical requirements

1. Appearance

White or even yellowing powder or grains, without any smell or taste.

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

Table 2

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 requirements, negotiation might be necessary between Supplier and Buyer.

Purpose of Application

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 of the 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 Properties All N Type 1-5%%
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.

Package

It is packed in paper bags, fiberboard boxes or drums lined with PVC bags. Net weight per package: 10kg/20kg/50kg

Instruction for storage

Seal it and store in dry place.  

 

 


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