Dextran 5
CAS No.: 9004-54-0
Product Name: Dextran 5
CAS#9004-54-0
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#9004-54-0
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of Dextran 5 :
| Items | Specification | Results |
| Characters | This product is a white powder ; Odorless. Soluble in water, insoluble in ethanol. | complies |
| Specific optical rotation | +180 °~+190 ° | +186 ° |
| Identification | Positive reaction | positive reaction |
| Clarity | Should be clarified | complies |
| PH | 4.0～7.0 | 4.6 |
| Nitrogen | ≤0.007% | <0.005% |
| Colour | 375nm: A≤0.2 | 0.007 |
| Scorching residue | ≤0.3% | <0.03% |
| Chloride | ≤0.25% | <0.12% |
| Heavy metals | ≤0.0008% | <0.0008% |
| Loss on drying | ≤7.0% | 3.9% |
| Molecular Weigh | Mw:4000～6000 | 4940 |
| M10 | 9876 | |
| M90 | 1510 | |
| PDI | 1.35438 |
