Carboxyl Methyl Cellulose CMC

• CAS No.: 9000-11-7
• Other Names: CMC
• MF: C6H7O2(OH)2CH2COONa
• EINECS No.: 900-432-4
• FEMA No.: N/A
• Place of Origin: China (Mainland)
• Type: Thickeners
• Brand Name: FOODCHEM
• Model Number: FOOD GRADE
• Appearance: Powder
• Color: White or light yellow
• PH: 7.0-9.0
• Purity: 95% min
• Model: Oil Drilling/Ceramics Grade

Carboxyl Methyl Cellulose CMC Details

Carboxy methyl cellulose (CMC) or cmc thickener is a cellulose derivative with carboxymethyl groups (-CH2-COOH) bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone. It is often used as its sodium salt, Sodium Carboxymethyl Cellulose.
It is synthesized by the alkali-catalyzed reaction of cellulose with chloroacetic acid. The polar (organic acid) carboxyl groups render the cellulose soluble and chemically reactive. The functional properties of CMC depend on the degree of substitution of the cellulose structure (i.e., how many of the hydroxyl groups have taken part in the substitution reaction), as well as the chain length of the cellulose backbone structure and the degree of clustering of the carboxymethyl substituents.

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