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Dextran 5

Dextran with Mw of 5000

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Description

Application and use: the raw material for manufacturing of iron dextran and synthesis of dextran sulfate and other derivatives
Specifications:
1. Character: White or almost white powder
2. Specific optical rotation: +183° +191°
3. pH of Solution: 4.0~7.0
4. Clarity of Solution: Clear
5. Colour of Solution: Colourless
6. Nitrogen: ≤110ppm
7. Residual solvents: ≤0.5%
8. Intrinsic viscosity: 5.0 ~ 7.0 ml/g
9. Loss on drying: ≤5.0%
10. Heavy metals: ≤10ppm
11. Sulphated ash: ≤ 0.2%
12. Molecular weight:
Mw: 4000~6000
Mn: 2000~4000
13. Microbial contamination
Total viable count of microorganisms, ≤100CFU/g
Escherichia coli /g, absent
Package: 25Kg/drum

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