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Technical Data Sheet α-Cyclodextrin
Compound Information
Product Name:
α-Cyclodextrin
CAS No.:
10016-20-3
Molecular Formula:
C36H60O30
Molecular Weight:
972.84
Storage:
Store at RT
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Appearance | White to off-white crystalline powder |
| Solubility | H2O: 50 mg/mL |
| Water Content (Karl Fisher) | ≤ 11% |
| pH | 5.0-8.0 (1% in solution) |
| Yeast and Mold | ≤ 100 cfu/g |
| Specific Rotation | [a]D20= 147 -152 o |
| UV | Limit of light absorbing substances : Absorbance at 230 -350 nm : ≤0.1, Absorbance at 350 -750 nm : ≤0.05 |
| Reducing Sugars | ≤ 0.2% |
| E. Coli | Absent |
| Microbial Count | ≤ 1000 cfu/g (TABC) |
| Salmonella | Absent |
| Related Substances | Beta cyclodextrin : ≤ 0.25%, Gamma cyclodextrin : ≤ 0.25%, Other related substances : ≤ 0.5% |
| Residue On Ignition | ≤ 0.1% |
| Assay (anhydrous basis) | 98 - 101% |
| Specification Reference | meets USP specification |
| Additional Information | Identification : Test A : To pass test, Test B : Test for optical rotation : To pass test, Test C : A yellow-brown precipitate is formed |
| 1H NMR | Pass test |
| IR | Pass test |
| Raman | Pass test |
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