Carboxymethyl cellulose sodium salt, M.W. ∼ 700000 (DS=0.9)
Leverantör: Thermo Scientific
Synonyms:
Carboxymethyl cellulose, sodium salt, Cellulose gum, Cellulose, carboxymethyl ether, sodium salt, Sodium carboxymethyl cellulose (Viscosity 800mpa.s), Sodium carboxymethyl cellulose, CMC
332640010
332641000
ACRO332640010EA
2450
SEK
ACRO332640010
ACRO332641000
Carboxymethyl cellulose sodium salt, M.W. ∼ 700000 (DS=0.9)
Carboxymethyl cellulose sodium salt
Formel:
[C₆H₇O₂(OH)x(OCH₂COONa)y]n Smältpunkt: >300 °C Storage Temperature: Omgivande |
MDL Number:
MFCD00081472 CAS nummer: 9004-32-4 |
Specifikation testresultat
Appearance | White to light beige Crystalline powder |
Infrared spectrum | Conforms |
Assay | ≥99.5 % |
Loss on drying | ≤10 % (As packed) (3 to 5 g, 105°C, 2 h) |
Heavy metals | ≤20 ppm |
Additional info | degree of substitution: 0.80 to 0.95 |
Degree of substitution | 0.80 to 0.95 |
Viscosity | 2500 to 4500 mPa.s (1 % at 25°C) (Brookfield) |
pH | 6.5 to 8 (1 % solution) |
Sodium chloride (NaCl) | ≤0.25 % |
Arsenic (As) | ≤3 ppm |
Cadmium (Cd) | ≤1 ppm |
Lead (Pb) | ≤10 ppm |
Mercury (Hg) | ≤1 ppm |
Impurity | ≤0.4 % (Sodium glycolate) |
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