Carbossi metilcellulosa sale sodico, M.W. ∼ 250000 (DS=0.9)
Fornitore: Thermo Scientific
Synonyms:
Carboxymethyl cellulose, sodium salt, Cellulose gum, Cellulose, carboxymethyl ether, sodium salt, Sodium carboxymethyl cellulose (Viscosity 800mpa.s), Sodium carboxymethyl cellulose, CMC
332620010
332621000
ACRO332620010EA
126
EUR
ACRO332620010
ACRO332621000
Carbossi metilcellulosa sale sodico, M.W. ∼ 250000 (DS=0.9)
Carbossi metilcellulosa sale sodico
Formula:
[C₆H₇O₂(OH)x(OCH₂COONa)y]n Punto di fusione: >300 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00081472 CAS Number: 9004-32-4 |
Risultati del test di specificazione
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 | ≤10 ppm |
Degree of substitution | 0.80 to 0.95 |
Viscosity | 1500 to 3100 mPa.s (2 % 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) | ≤3 ppm |
Mercury (Hg) | ≤1 ppm |
Impurity | ≤0.4 % (Sodium glycolate) |
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