Ethyl Cellulose [18-22mPa.s, 5% in Toluene + Ethanol (80:20) at 25deg C] TCI E0072

Name: TCI E0072 9004-57-3 Ethyl Cellulose [18-22mPa.s, 5% in Toluene + Ethanol (80:20) at 25deg C]
Brand: TCI
SKU: TCI2510E007227736
Price: 651000.0 IDR
Availability: InStock

Rp 651.000,00

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Berat 25g 500g

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Description

TCI E0072 Ethyl Cellulose is a cellulose ether polymer produced by replacing part of the hydroxyl groups along the cellulose backbone with ethyl groups. This substitution converts cellulose, which is inherently insoluble, into a polymer that dissolves readily in organic solvents and can be cast into films. In laboratory work, the material serves as a film-forming polymer, a binder, and a matrix for controlling the release of active substances. The variant offered here is specified by a viscosity of 18-22mPa.s measured on a 5% solution in a toluene and ethanol mixture at a ratio of 80:20 at 25 degrees Celsius.

The characteristics that lead researchers to select ethyl cellulose are its ability to form layers that are strong, flexible, and water-insoluble, while remaining straightforward to process from organic solution. Its thermoplastic nature allows films to be formed either by evaporating the solvent or by melting, and its resistance to water and weak bases means the resulting coatings remain durable in use. Stating the viscosity range in the product name is genuinely useful to researchers, because that value governs film thickness, diffusion rate, and the flow behaviour of any solution prepared from the polymer.

In Indonesian laboratories, this grade is typically taken up in formulation and materials work where a defined, reproducible solution viscosity matters. Researchers dissolve the polymer in organic solvent systems, cast or coat the resulting solution, and evaluate the film that forms. Because the viscosity specification is fixed for the grade, results obtained in one batch of experiments can be compared meaningfully with those from another, which supports method development and routine repeat work alike.

Laboratory Applications

Film coating studies: the polymer forms strong, flexible, water-insoluble layers from organic solution, making it a direct choice for preparing and evaluating laboratory coating films.
Controlled-release matrix research: ethyl cellulose acts as a matrix that regulates the release of active substances, allowing diffusion behaviour to be studied under reproducible polymer conditions.
Binder applications in formulation work: its binding function holds prepared solid systems together, while the stated viscosity range keeps binder solutions consistent between preparations.
Solution casting and solvent evaporation experiments: the thermoplastic polymer can be cast from toluene-ethanol systems and dried, giving researchers reliable control over the film thickness obtained.
Diffusion and permeability investigations: because viscosity determines film thickness and diffusion rate, this defined grade supports comparative permeability measurements across differently prepared polymer layers.

Specifications

Brand: TCI
CAS number: 9004-57-3
Category: Chemistry > Chemical Biology > Glycoscience
Viscosity: 18-22mPa.s, 5% in toluene + ethanol (80:20) at 25 degrees Celsius
Pack sizes: available in laboratory pack sizes; please refer to the current listing for the option required
Storage: keep in a tightly closed container in a cool, dry place away from moisture

Handling and Storage

Store TCI E0072 Ethyl Cellulose in its original tightly closed container, kept in a cool, dry, and well-ventilated area away from moisture, direct sunlight, and sources of ignition, since the polymer is handled with flammable organic solvents such as toluene and ethanol. Use containers that resist organic solvents when preparing and holding solutions, and label them clearly with the solvent ratio used. Handle the dry polymer in a way that limits dust generation, and carry out dissolution work in a fume hood with standard laboratory personal protective equipment, including gloves, safety glasses, and a laboratory coat. Close containers promptly after use to prevent solvent evaporation and moisture uptake.