Name: Sodium Carboxymethyl Cellulose (CMC)
Availability: InStock
Rating: 4.5 (89 reviews)

Sodium Carboxymethyl Cellulose (CMC)

Sodium Carboxymethyl Cellulose (CMC), often referred to as cellulose gum, is an anionic, water-soluble polymer derived from natural cellulose. It is produced through the chemical modification of cellulose, involving a reaction with sodium hydroxide and chloroacetic acid, which introduces carboxymethyl groups (-CH₂-COO⁻Na⁺) onto the cellulose backbone. This modification transforms insoluble cellulose into a highly versatile hydrocolloid. CMC is available as a white to off-white, odorless, free-flowing powder or in granular form. Its key value lies in its ability to thicken, suspend, stabilize, and bind water, making it indispensable across food, pharmaceutical, and industrial sectors.

Description

Product Description

Sodium Carboxymethyl Cellulose (CMC)

Sodium Carboxymethyl Cellulose (CMC) is a water-soluble anionic polymer derived from natural cellulose through a rigorous chemical modification process. As one of the most versatile cellulose ethers, it is widely recognized for its exceptional functionality as a thickener, stabilizer, binder, and water-retention agent across diverse industries. Its molecular structure consists of cellulose backbone chains with carboxymethyl groups substituted onto hydroxyl groups, granting it unique physicochemical properties such as high viscosity, pseudoplastic behavior, and excellent compatibility with other hydrophilic compounds.

One of the standout features of CMC is its ability to act as a multifunctional additive. In aqueous systems, it demonstrates remarkable thickening efficiency even at low concentrations, making it ideal for modifying rheology. Its superior water-binding capacity prevents syneresis and maintains moisture, critical in applications ranging from food processing to construction materials.

Sodium Carboxymethyl Cellulose is widely applied in food, pharmaceuticals, detergents, papermaking, textiles, ceramics, oil drilling, and coatings, CMC serves as a foundational ingredient enabling innovation and enhancing product performance. Whether as a stabilizer in ice cream, a binder in tablets, a anti-redeposition agent in detergents, or a water-retention agent in tile adhesives, CMC delivers reliable and consistent results.

General Information:

Type: Food Additives
Origin: China
CAS No.: 9004-32-4
AUCO No.: 382
Packing: 25kg bag

Specification:

Items	Standard
Appearance	White or Yellowish powder
Viscosity (1% 25ºC Brookfield)	6000-7000
PH(1%)	6.0-8.5
Degree of Substitution	0.75-0.95
Sodium chloride	≤0.5%
Sodium glycolate	≤0.4%
Purity	≥99.5%
Moisture	≤8.0%
As	≤0.0002%
Lead	≤0.0002%

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