Carboxymethylcellulose Natriumsalz, M.W. ∼ 250000 (DS=0.9)

Lieferant: Thermo Scientific

ACRO332620010EA 143 CHF
ACRO332620010 ACRO332621000
Carboxymethylcellulose Natriumsalz, M.W. ∼ 250000 (DS=0.9)
Carboxymethyl cellulose sodium salt
Formel: [C₆H₇O₂(OH)x(OCH₂COONa)y]n
Melting Pt: >300 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00081472
CAS-Nummer: 9004-32-4

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Spezifikation Testergebnisse

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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