CMC - Carboxy Methyl Cellulose

SODIUM CARBOXY METHYL CELLULOSE, CELLULOSE GUM


EU SPECIFICATION

Synonyms : CMC; NaCMC; Sodium CMC; E 466
Definition : Carboxy methyl cellulose is the partial sodium salt of a carboxymethyl ether of cellulose, the cellulose being obtained directly from strains of fibrous plant material
Description : Slightly hygroscopic white or slightly yellowish or greyish odourless and tasteless, granular or fibrous powder.
Solubility : Yields a viscous colloidal solution with water. Insoluble in ethanol
pH : Not less than 5,0 and not more than 8,5.


PURITY
Degree of substitution Not less than 0,2 and not more than 1,5 carboxymethyl groups (-CH 2 COOH) per anhydroglucose unit.
Loss on drying Not more than 12 % (105 °C to constant weight)
Arsenic Not more than 3 mg/kg
Lead Not more than 2 mg/kg
Mercury Not more than 1 mg/kg
Cadmium Not more than 1 mg/kg
Total glycolate Not more than 0,4 %, calculated as sodium glycolate on the anhydrous basis
Sodium Not more than 12,4 % on the anhydrous basis

PACKING & STORAGE

Packing 25 Kg, Paper Bags with inner PE liner Bags
Shelf Life 2 Years After Manufacturing Date, Under Recommended Conditions
Storage Cold And Dry Conditions, Sealed Packaging