419311

Sodium carboxymethyl cellulose

average M_w ~250,000, degree of substitution 0.7

• Synonym(s): Carboxymethylcellulose sodium salt
• CAS Number: 9004-32-4
• MDL number: MFCD00081472
• UNSPSC Code: 12162002
• NACRES: NA.23

Properties

• form: powder
• autoignition temp.: 698 °F
• mol wt: average M_w ~250,000
• extent of labeling: 0.7 carboxymethyl groups per anhydroglucose unit
• mp: 260 °C (dec.)
• InChI: 1S/C6H12O6.C2H4O2.Na/c7-1-3(9)5(11)6(12)4(10)2-8;1-2(3)4;/h1,3-6,8-12H,2H2;1H3,(H,3,4);
• InChI key: DPXJVFZANSGRMM-UHFFFAOYSA-N

Description

General description

Sodium carboxymethyl cellulose (CMC) is a class of linear structured cellulose which consists of polysaccharide composing the fibrous tissue of plants. It is a water soluble polymer which can be used as a polyelectrolyte cellulose derivative.

Application

CMC can be used for a wide range of application such as:

• food processing
• textiles
• detergents, and drugs
• a stabilizer in the preparation of nanoparticles
• a binder for the formation of electrodes

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves