Sodium carboxymethyl cellulose(CMC), also known as: Sodium CMC, cellulose gum, CMC-Na,is cellulose derivatives,which is the most widely used and the largest amount in the world. it is a cellulosics with a glucose polymerization degree of 100 to 2000 and a relative molecular mass of 242.16. White fibrous or granular powder. Odorless, tasteless, tasteless, hygroscopic, insoluble in organic solvents.
CMC is an anionic cellulose ether, white or milky white fibrous powder or granule, density 0.5-0.7 g/cm3, almost odorless, tasteless, and hygroscopic. Easily disperse in water into a transparent gel solution, insoluble in organic solvents such as ethanol. The pH of 1% aqueous solution is 6.5 8.5. When pH 10 or