Carbossi metilcellulosa sale sodico, M.W. ∼ 700000 (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
332640010
332641000
ACRO332640010EA
130
EUR
ACRO332640010
ACRO332641000
Carbossi metilcellulosa sale sodico, M.W. ∼ 700000 (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 | ≤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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