SODIUM DEXTRAN SULFATE 40,000 (DS40)
Product Code: DS40-5201
General Product Information
Dextran Sulfate Sodium Salt, MW 40,000 is a polyanionic derivative of Dextran Polymer, produced by the esterification of Dextran with Chlorosulphonic Acid. It has a wide variety of uses in Life Science and other industrial applications. Our Dextran Sulfate is produced, refined and purified at our plant in Scarborough Ontario Canada.
Formula: C6H7O5
M.W. 40,000
CAS #: 9011-18-1
Product Specifications
| Analysis | Specifications | ||
|---|---|---|---|
|
Off white to light yellow powder |
||
| Black Spec/100 ml | NMT 10 | ||
| Clarity (20% Solution) Absorbance at 360 nm | NMT 0.9 OD Unit | ||
| Chloride Content | NMT 100 ppm | ||
| Free Inorganic Sulphate | NMT 0.2% | ||
|
35% - 48% | ||
|
To Pass Test | ||
| Insoluble Iron |
NMT 2.0% |
||
| Loss on Drying (LOD) |
NMT 10.0% |
||
| pH (1% Solution) |
5.0 to 7.5 |
||
| Residue on Ignition (ROI) |
35% - 50% |
||
| Residual Pyridine |
NMT 2.0% |
||
| Specific Rotation [a]D 20 |
+75○ to +105○ |
||
| Specific Viscosity (In 1.0M NaCl at 25°C) |
0.05 – 0.13 |
||
| Total Sulfur Content |
17.0% - 20.0% |
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