Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=1.2)

Supplier: Thermo Scientific

332630010 332631000
ACRO332630010EA 154 EUR
ACRO332630010 ACRO332631000
Carboxymethyl cellulose sodium salt, M.W. ∼ 250000 (DS=1.2)
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 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 ≤20 ppm
Degree of substitution 1.15 to 1.45
Viscosity 1500 to 3100 mPa.s (2 % at 25°C) (Brookfield)
pH 6.5 to 8 (1 % solution)
Arsenic (As) ≤3 ppm
Lead (Pb) ≤10 ppm

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