Carboxymethyl Cellulose (CMC)

Synonym(s)

: Sodium carboxymethyl cellulose, cellulose gum

Mol. Formula

: C8H15NaO8

EC / List no.

: 618-378-6

CAS no.

: 9004-32-4

Molecular weight

: 262,19

It is a hexose containing carboxymethyl cellulose, acetic acid, sodium and mannose components. It is a water-dispersible sodium salt of the carboxy-methyl ether of cellulose, forming a clear colloidal solution. It is a hygroscopic material with more than 50% water absorption at high humidity. It is also a natural polymeric derivative that can be used in the detergent, food and textile industries.

Application

» CMC is used to stabilize palatized iron nanoparticles, which can also be used for dichlorination of contaminated surfaces.
» It can also be used as a polymeric matrix to form a composite with a crystalline nanofibril for the development of sustainable bio-based polymers.
» It is used as a thickener and stabilizer in foods.

Product Specifications

Physical and Chemical Properties
» CMC is slightly yellowish and in powder form.
» It is partially odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	274
pH		6.5- 8.5