(2-Hydroxypropyl)-beta-cyclodextrin (DS~4.5)
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| 0 Metric Ton |
Negotiable |
- Min.Order :0 Metric Ton
- Purity: >95%, USP NF grade
Keywords
HPBCD hydroxypropyl-cyclodextrin cyclodextrin
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- Application:pharma formulations, parenteral, oral
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Test
| Method | Result | |
| Appearance | Visual | white or almost white powder |
| Appearance of 1% aqueous solution | Visual (EP 2.2.1, EP 2.2.2) Method II | 1 g dissolved in 2 mL of water with heating is clear and colorless and remains so after cooling |
| Identification 1 | IR (EP 2.2.24) | complies with reference |
| Identification 2 | HPLC (EP 2.2.29) | retention time complies with reference standard |
| Purity |
Calculated (on dry substance) |
min. 96% |
| Average Degree of Substitution (n) | NMR (EP 2.2.33) | 2.0 - 6.0 |
| Residual BCD | HPLC (EP 2.2.29) | max. 2.0% |
| Propylene glycol content | GC (EP 2.2.28) | max. 2.5% |
| Sulphated ash | EP 2.4.14 | max. 1.0% |
| Loss on drying | EP 2.2.32 | max. 7.5% |
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