CAS No.: | 9004-32-4 |
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Formula: | C6h7o2(Oh)2CH2coona |
EINECS: | 900-432-4 |
Color: | White |
Density: | 1.6 g/cm3 |
Melting Point: | 274 °c (DEC.) |
Samples: |
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Features:
Sodium carboxymethylcellulose (CMC) is an important chemical with a variety of uses, including applications in the food industry, pharmaceutical industry, textile industry and other fields. The following are the general chemical and physical properties of sodium carboxymethylcellulose:
Physical properties:
Appearance: white to slightly yellow powdery substance.Chemical properties:
Molecular formula: usually expressed as (C6H7O2(OH)2OCH2COONa)n, where n represents the number of repeating units.It should be noted that the specific properties of sodium carboxymethyl cellulose may vary depending on the manufacturer, product grade and use, so it needs to be evaluated based on actual conditions in specific applications.
Items | Specification |
Degree of Substitution | ≥ 0.90 |
Purity | ≥ 99.50% |
Total plate count | ≤ 1000cfu/g |
Heavy Metals (ppm) | ≤ 20 |
Cellulose arboxymethyl ether sodium is a sodium salt of cellulose carboxymethyl ether, commonly used as a viscose, paste, and barrier.
Sodium carboxymethyl cellulose can be used as a thickening agent and stabilizer of pharmaceutical pulp, as a water retaining agent and dispersant of ointment drugs, and as a disintegrating agent of tablets to control the release of drug effects. It can also be used as emulsified oil mixing agent for injection.
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