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Technical Data Sheet β-Cyclodextrin
Compound Information
Product Name:
β-Cyclodextrin
CAS No.:
7585-39-9
Molecular Formula:
C42H70O35
Molecular Weight:
1134.99
Storage:
Store at RT
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Appearance | White crystalline powder |
| Clarity | Clear and colorless solution (0.2 g in 20 mL freshly boiled and cooled water) |
| Heavy Metals | ≤5 mg/g |
| Water Content (Karl Fisher) | ≤ 14% |
| pH | 5.0-8.0 (1% in solution, Ph Eur) |
| Mould and Yeast | ≤ 100 cfu/g |
| Specific Rotation | [a]D20= 160 -164 ° |
| Reducing Sugars | ≤ 0.2% |
| E. Coli | Absent |
| Microbial Count | ≤ 1000 cfu/g (TAMC) |
| Salmonella | Absent |
| Related Substances | Alpha Form : ≤ 0.25% Gamma Form : ≤ 0.25% Other related substances : ≤ 0.5% Light absorbing impurities from 230 to 350 nm : ≤ 0.1% Light absorbing impurities from 350 to 750 nm : ≤ 0.05% |
| Residue On Ignition | ≤ 0.1% |
| Assay (anhydrous basis) | 98 -102% |
| Specification Reference | Meets USP specification |
| MS | Pass test |
| ¹H NMR | Pass test |
| IR | Pass test |
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