Sodium carboxymethyl cellulose (CMC) is a thickening agent and emulsifier used in various industries ranging from food and beverage to pharmaceuticals. There are several synonyms for this compound, including sodium cellulose glycolate, cellulose sodium carboxymethyl, and carmellose sodium. These synonyms are often used interchangeably depending on the industry and application. In the food industry, it is commonly referred to as carboxymethyl cellulose or simply CMC and is used as a stabilizer in many processed foods. In the pharmaceutical industry, it is known as sodium carmellose and is used as a disintegrant in tablet formulations. Regardless of the synonym used, sodium carboxymethyl cellulose remains a versatile compound with many applications.