Basic Information
Other Names: CMC; Carboxymethyl Cellulose Sodium 
Molecular Formula: (R)nOCH2COONa
CAS NO.: 9004-32-4
EINECS NO.: 265-995-8
H.S. CODE NO.: 39123100.00
Purity: 99.5% min.
Physicochemical Properties
1.Melting Point: 274 °C (dec.)℃
2.Density: 1.6 g/mL at 25 °C(lit.)
3.Solubility in water (g/L): Soluble
4.Stability: Stable.
Technical Specifications
Food Grades:
| Item | Specification | Results |
| Appearance | White to off-white powder | Complies
|
| Viscosity (1% mPa.S ) | 3500-4000 | 3700 |
| Particle Size | Min 95% pass 80 mesh | Complies |
Purity(dry basis) | 99.5% Min | 99.75% |
| Degree of substitution | 0.6- 0.9 | 0.75 |
pH (1% solution) | 6.0- 8.5 | 7 |
| Loss on drying | 10% Max
| 6% |
| Lead | 3 mg/kg Max | 1.1 mg/kg |
| Arsenic | 2 mg/kg Max | 0.85 mg/kg |
| Mercury | 1 mg/kg Max | 0.45 mg/kg |
| Cadmium | 1 mg/kg Max | 0.25 mg/kg |
| Total heavy metals (as Pb) | 10 mg/kg Max | 2.85 mg/kg |
| Yeasts and moulds | 100 cfu/g Max | 45 cfu/g |
| Total plate count | 1000 cfu/g | 1000 cfu/g |
| E.coli | Netative in 5 g | Netative in 5 g |
Salmonella spp.
| Netative in 10g | Netative in 10g |
Packaging Types:
25kg bag or as per coustorme
Applications
Widely used in food-making as thickeners and emulsifiers. Also used in detergent, papermaking, oil-drilling, textile, dyeing, ceramics, construction, paint, welding, battery, medicine, tobacco, toothpaste, cosmetics, etc.
Storage Information
Keep container dry. Keep in a cool place. Ground all equipment containing material. Keep container tightly closed. Keep in a cool, well-ventilated place. Combustible materials should be stored away from extreme heat and away from strong oxidizing agents. Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk, evaporate the residue under a fume hood. Ground all equipment containing material. Do not ingest. Do not breathe dust. Wear suitable protective clothing In case of insufficient ventilation, wear suitable respiratory equipment If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from incompatibles such asoxidizing agents.
