Ethyl Cellulose, identified by its CAS number 9004-57-3, is a highly versatile and functional polymer derived from natural cellulose. As a non-ionic cellulose ether, it stands out for its unique properties that make it an indispensable ingredient across a multitude of industries. This odorless, tasteless, and non-toxic white to light-yellow powder is engineered to deliver exceptional performance in demanding applications, from pharmaceuticals to advanced electronics.

The primary advantage of Ethyl Cellulose lies in its solubility profile. Unlike many other cellulose derivatives, it is insoluble in water but readily dissolves in a wide range of organic solvents, including alcohols, ethers, and ketones. This characteristic is fundamental to its functionality. Its key properties include:
Excellent Film Formation: Ethyl Cellulose creates strong, flexible, and clear films that possess high tensile strength and durability. This makes it an ideal coating agent.
Water Resistance: The films formed by Ethyl Cellulose provide an outstanding barrier against moisture, protecting water-sensitive active ingredients from degradation.
Strong Binding Capabilities: It serves as a highly effective binder, improving the cohesion and integrity of tablets and granulated materials.
Thermal Plasticity: Ethyl Cellulose is thermoplastic and can be processed using heat and pressure, adding to its versatility in manufacturing processes.

Applications in the Pharmaceutical Industry
In the pharmaceutical sector, Ethyl Cellulose is a globally recognized excipient. It is extensively used for the controlled-release of active pharmaceutical ingredients (APIs) in solid dosage forms. By creating a polymer matrix or a coating barrier, it modulates the rate at which a drug is released into the body, ensuring sustained therapeutic effects. It is also used for taste masking of bitter APIs, as a granulation binder for water-sensitive materials, and to provide protective coatings that enhance tablet stability and appearance.

Versatility in Industrial and Consumer Products
The utility of Ethyl Cellulose extends far beyond pharmaceuticals.
In printing inks, it functions as a rheology modifier and binder, enhancing viscosity, adhesion, and film-forming properties for gravure, flexographic, and screen-printing applications.
For personal care products, its film-forming and water-resistant nature is leveraged in long-lasting lipsticks, nail polishes, and waterproof sunscreens. It can also act as a fragrance stabilizer.
In the food industry, it is used for flavor encapsulation and in inks for marking fruits and vegetables. Its safety profile allows for its use in paper and paperboard packaging that comes into contact with food.

High-Tech Electronic Applications
One of the most specialized applications for Ethyl Cellulose is in the manufacturing of high-end electronics. It is a premier binder for multi-layer ceramic capacitors (MLCC) and conductive pastes. Its exceptionally low ash content ensures a clean burn-out during firing, leaving minimal residue. This high purity is critical for the performance and reliability of sensitive electronic components.

As a leading manufacturer and dedicated supplier, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-purity Ethyl Cellulose powder in various viscosity grades to meet precise formulation requirements. We ensure that our product adheres to the highest quality and safety standards, making it a reliable choice for all its intended applications. If you are looking to buy Ethyl Cellulose or wish to purchase it for your manufacturing needs, we offer a stable and consistent supply chain. For more information on product specifications and a competitive price, our team is ready to assist you in finding the perfect grade for your innovation.