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| Dextran 5 |
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| 1,6-alpha-glucan |
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| 9004-54-0 |
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| the raw material for manufacturing of iron dextran and synthesis of dextran sulfate and other derivatives |
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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
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