9004-32-4

CAS Nr.:

9004-32-4

Carboxymethyl cellulose

EINECS Name:

Carboxymethyl cellulose

618-378-6

EINECS Nr.:

618-378-6

CMC / 2,3,4,5,6-pentahydroxyhexanal acetic acid sodium hydride / Carboxymethyl cellulose sodium salt

Synonym:

CMC / 2,3,4,5,6-pentahydroxyhexanal acetic acid sodium hydride / Carboxymethyl cellulose sodium salt

Carboxymethyl cellulose (CMC) is a widely used chemical raw material, which finds application in various industries.

Physical Properties of Carboxymethyl Cellulose

CMC is an anionic cellulose derivative and is produced by the carboxymethylation of cellulose. It is a white to slightly yellowish, odorless powder that is readily soluble in water. The molecular weight of CMC varies depending on the manufacturing process and application area. The structure of CMC allows it to bind water and form a viscous solution, making it an important component in the food, pharmaceutical, and cosmetic industries.

Applications of Carboxymethyl Cellulose

CMC is commonly used as a thickening and stabilizing agent in the food industry. It enhances the texture and viscosity of foods such as sauces, dressings, ice cream, and baked goods. Additionally, it is employed as a film-forming and humectant agent in food applications to improve the shelf life and quality of products.

In the pharmaceutical industry, CMC is utilized as an excipient in tablet and capsule manufacturing. It serves as a binder and dispersing agent, facilitating the formulation of medicines and enhancing their release properties. Moreover, it is employed in eye drops and other pharmaceutical formulations as a lubricant and viscosity modifier.

CMC is used in the cosmetic industry in various products such as creams, lotions, shampoos, and toothpaste. It acts as a thickening and stabilizing agent, improving the texture and consistency of cosmetic formulations. Additionally, it can function as a film-forming and humectant agent, preserving skin moisture and optimizing the application properties of cosmetics.

In the paper industry, CMC is employed as an additive to enhance the strength, printability, and water resistance of paper products. It is used in papermaking as a retention aid, binding the fibers and improving paper formation. Additionally, it acts as a dispersing agent, aiding in the distribution of fillers and pigme in the paper pulp.

Carboxymethyl cellulose is an extremely versatile chemical raw material that is widely used in various industries. From the food and pharmaceutical industries to cosmetics and papermaking, CMC plays a crucial role in enhancing products and processes. Its unique physical properties make it an indispensable component of modern industrial applications.