CMC

Carboxymethylcellulose(CMC) is marketed as sodium CMC.the hydrogen atom of OH groups are substituted by carboxymethyl groups which yield CMC.on an avrg 30% of the hydroxyl groups of cellulose molecules are substituted.................easily suspended in water to form collidal suspention(PH-5TO10) USED AS tablet excipient,suspending agent and viscolizes.it is also an bulk laxative and anta acid.non toxic.