Imprimer

Carboxyméthylcellulose, sel de sodium, M.W. ∼ 90000 (DS=0.7)

Marques : Thermo Fisher Scientific
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

332600010 332601000 332600050
ACRO332600010EA 204 EUR
ACRO332600010 ACRO332601000 ACRO332600050
Carboxyméthylcellulose, sel de sodium, M.W. ∼ 90000 (DS=0.7)
Carboxyméthylcellulose, sel de sodium
Formule: [C₆H₇O₂(OH)x(OCH₂COONa)y]n
Point de fusion: >300 °C
Température de stockage: Température ambiante
Numéro MDL: MFCD00081472
Numéro CAS: 9004-32-4

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Résultats des tests de spécification

Appearance White to light yellow Granular 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
Degree of substitution 0.65 to 0.90
Viscosity 50 to 100 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) ≤10 ppm
Mercury (Hg) ≤1 ppm
Impurity ≤0.4 % (Sodium glycolate)


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