Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=0.9)

Leverantör: 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 2375 SEK
ACRO332620010 ACRO332621000
Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=0.9)
Carboxymethyl cellulose sodium salt
Formel: [C₆H₇O₂(OH)x(OCH₂COONa)y]n
Smältpunkt: >300 °C
Storage Temperature: Omgivande
MDL Number: MFCD00081472
CAS nummer: 9004-32-4

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Specifikation testresultat

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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