Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=0.7)

Supplier: 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 132 EUR
ACRO332610010 ACRO332611000
Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=0.7)
Carboxymethyl cellulose sodium salt
Formula: [C₆H₇O₂(OH)x(OCH₂COONa)y]n
Melting Pt: >300 °C
Storage Temperature: Ambient
MDL Number: MFCD00081472
CAS Number: 9004-32-4

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Specification Test Results

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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