Carboxymethyl cellulose sodium salt, M.W. ∼ 90000 (DS=0.7)
Supplier: Thermo Scientific Chemicals
Synonyms:
Carboxymethyl cellulose, sodium salt, Cellulose gum, Cellulose, carboxymethyl ether, sodium salt, Sodium carboxymethyl cellulose (Viscosity 800mpa.s), Sodium carboxymethyl cellulose, CMC
33260-0010
33260-0050
33260-1000
TS33260-0010EA
137
USD
TS33260-0010
TS33260-0050
TS33260-1000
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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