Carboxymethyl cellulose sodium salt, M.W. ∼ 90000 (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
332600010
332601000
332600050
ACRO332600010EA
229
GBP
ACRO332600010
ACRO332601000
ACRO332600050
Carboxymethyl cellulose sodium salt, M.W. ∼ 90000 (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 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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