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Name of Products : Carboxymethyl Cellulose Sodium (sodium CMC, SCMC, CMC, CMC-NA) and Carboxymethyl Starch Sodium (CMS)
Molecular Formula : C6H7O2 (OH)2OCH2COONa
CAS NO. 9004-32-4
H.S. Code : 39123100
Chemical Properties : CMC is a kind of cellulose ether with anion contour’s high molecular structure. It has no smell, no taste and no toxicity. The white to off-white powder and graininess can be easily melt in water and become colloidal solution, but it can’t melt in alcohol, ether, acetone and other organic solvent.
SEPCIFICATION
Index Technique Requirement XYF-1 XYF-2 XYF-3 XD-1 XD-2 Moisture (%) 10 max 10 max 10 max 10 max 10 max Purity (%) 55 min 60 min 70min 70 min 90 min Degree of Substitute 0.5-0.7 0.5-0.7 0.5-0.7 0.60min 0.70min Viscosity(cps) 5-40 5-40 5-40 300-800 800 min 1% aqueous solution 2% aqueous solution PH Value 8-11.5 8-11.5 8-11.5 7-10 6.5-8.5