porducts list
- Other [7]
contact datails
Shangdong Qidu Pharmaceutical Co., Ltd.
MR Wenters Yu
28#East RenMin road
+86-533-7198668
MR Wenters Yu
28#East RenMin road
+86-533-7198668
| Hydroxypropyl-beta-cyclodextrin 【character】 white or almost white powder ,odorless and slightly sweet. Freely soluble in water .methanol.ethanol. Practically insoluble in acetone.ether . 【Identification】 ⑴ chemistry reaction should be positive reaction ⑵ liquid chromatogram accord with stipulate (3) infrared spectrum accord with stipulate 【Check】 (1)appreance of solution clear and colorless ⑵ acidity 5.0-8.0 ⑶specific optical rotation 125°-145° (4) chlorides 0.018% (5) loss on drying ≤ 6.0% (6) residue on ignition ≤ 0.50% (7) heavy metals ≤0.00001% (8)assay(%) 99.7% |
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