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 |
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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