Calcium CMC, also known as calcium carboxymethyl cellulose, is a type of cellulose derivative that is commonly used in the pharmaceutical industry as a binder, thickener, and disintegrant in various types of pharmaceutical formulations such as tablets, capsules, and suspensions. It has good gel forming properties, high viscosity and stability, and it is also a water-soluble, non-toxic and non-irritant ingredient, making it an attractive ingredient in the pharmaceutical industry. In addition, calcium CMC is used as an excipient to improve the flow properties of powders, granules and other pharmaceutical preparations, and to control the release rate of active pharmaceutical ingredients (API) in certain dosage forms.