Sodium carboxymethyl cellulose, also known as carboxymethyl cellulose, cellulose gum, CMC is the most widely used and most used cellulose type in the world today. White fibrous or granular powder. Sodium CMC is a cellulose derivative with a glucose polymerization degree of 100 to 2000. CMC is odorless, tasteless, tasteless, hygroscopic, and insoluble in organic solvents. https://www.hpmcsupplier.com/product/carboxy-methyl-cellulose/