Carboxymethyl cellulose sodium salt, M.W. ∼ 90000 (DS=0.7)

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

332600010 332601000 332600050
ACRO332600010EA 2500 SEK
ACRO332600010 ACRO332601000 ACRO332600050
Carboxymethyl cellulose sodium salt, M.W. ∼ 90000 (DS=0.7)
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 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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