Carbossi metilcellulosa sale sodico, M.W. ∼ 250000 (DS=0.7)
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
332610010
332611000
ACRO332610010EA
125
EUR
ACRO332610010
ACRO332611000
Carbossi metilcellulosa sale sodico, M.W. ∼ 250000 (DS=0.7)
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 beige Crystals |
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 | 0.65 to 0.90 |
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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