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(2-Hydroxypropyl)-gamma-cyclodextrin (DS~4.5) CAS NO.128446-34-4
- Min.Order: 0 Metric Ton
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- Product Details
Keywords
- HPGCD
- hydroxypropyl-cyclodextrin
- cyclodextrin
Quick Details
- ProName: (2-Hydroxypropyl)-gamma-cyclodextrin (...
- CasNo: 128446-34-4
- Molecular Formula: C42H70-nO35 · (C3H7O)n
- Application: pharma formulations, oral, eye drop, p...
- ProductionCapacity: Metric Ton/Day
- Purity: > 95%
- LimitNum: 0 Metric Ton
Superiority
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% |