Sodium Carboxymethyl Cellulose (commonly known as CMC) is a versatile and widely used polymer. It is a sodium salt of carboxymethyl cellulose, which is derived from natural cellulose, caustic alkali and monochloroacetic acid.
| Item | Specification | Test Result |
| Viscosity(1%sol., 25°C, mpa.s) | 200-500 | 420 |
| D.S(Degree of substitution) | ≥ 0.6 | 0.82 |
| pH(1%solution) | 6.0-8.5 | 6.78 |
| Moisture (%) | ≤10.0 | 6.62 |
| Chloridecontent(%) | ≤ 1.2 | 0.86 |
| Heavy metal | ≤ 15 ppm | ≤ 15 ppm |
| Pb | ≤ 5 ppm | ≤ 5 ppm |
| As | ≤ 2 ppm | ≤ 2 ppm |
| Yeast & Mould | ≤100 cfu/g | Conforms |
| Salmonella | Negative | Negative |
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