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Chemical Materials
Basic Info.
Additional Info.
Product Description
CAS No.: 9000-11-7
Molecular Formula: [C6H7O2(OH)2CH2COONa]n
Property:
Carboxymethyl Cellulose Sodium (CMC-Na) is a cellulose derivative obtained by chemically modificating the natural cellulose. It is one of the most important water soluble polymers with many advantages that other natural or synthetic glues do not have.
CMC is white and flowing fine powder. It is tasteless, smelless, mould-proof, non-toxic, non-flammable and easily dissolved in water to become transparent viscose solution.
CMC solution has good properties of thickening, adhering, emulsifying, and stabilizing. Membrane forming, moisture-holding, shape-holding, dispersing and anti-enzyme. The solution of CMC can be mixed with dissolvable animal glues, glycerin, sobbitol, Arabic gum, pectin, xanthic gum and dissolvable starch.
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Viscosity (cps) 1%.25°C Brookfield |
200-500 |
500-1500 |
1500-2500 |
2500-3500 |
3500-4500 |
4500-5500 |
5500-6500 |
| Purity % |
Min 99.5 |
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Degree of Substitution |
0.65-1.0 |
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Loss on drying,% |
Max 10 |
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| PH 1% solution |
6.0-8.5 |
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| Heavy metal | Max 10ppm | ||||||
| Fe | Max 3ppm | ||||||
| Pb | Max 3ppm | ||||||
| As | Max 2ppm | ||||||
| Total plate count | Max 5000cfu/g | ||||||
| Coliform MPN/100g | Max 30 | ||||||
| Salmonella | Absent | ||||||