| CAS No.: | 94035-02-6 |
|---|---|
| Formula: | C54h102o39 |
| Type: | Synthesis Material Intermediates |
|
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Specification of hydroxypropyl beta cyclodextrin
|
Item |
Specifications |
Results |
|
Appearance |
white powder, insipid, innocent |
Conforms |
|
Degree of Substitution |
2.8-10.5 |
5.3 |
|
Clarity of solution |
50%(w/v) water solution is clear |
clear |
|
Identification(IR) |
same absorption bands with USP Hydroxypropyl Betadex RS |
Conforms |
|
Loss on Drying |
≤10% |
3.5% |
|
Conductivity |
10%(w/v) water solution ≤200µS/cm |
154µS/cm |
|
Propylene oxide |
≤1ppm |
<0.18ppm |
|
Propylene glycol |
≤2.5% |
0.29% |
|
Sum of Other Impurities |
≤1% |
0.51% |
|
Betadex |
≤1.5% |
0.12% |
|
Residue on Ignition |
≤0.2% |
0.07% |
|
Heavy Metal |
≤20ppm |
<20ppm |
|
chloride |
≤0.05% |
<0.05% |
|
TAMC(cfu/g) |
≤1000 cfu/g |
30 cfu/g |
|
TYMC(cfu/g) |
≤100 cfu/g |
10 cfu/g |
|
Salmonella/E. Coli (cfu/g) |
Absent |
Absent |
|
Conclusion |
According to standards of USP35-NF30, the product is Qualified. |
|
More About hydroxypropyl beta cyclodextrin :
CAS: 94035-02-6
Synonyms: HPCD
Molecular formula: C54H102O39
Use Of hydroxypropyl beta cyclodextrin
Improving the efficiency of making the curative effect increased and the dose reduced.
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