|
Name |
gamma-Cyclodextrin |
|
Synonyms |
CYCLOFLO(TM) 42; CYCLOOCTAOSE; CYCLOOCTAAMYLOSE; |
|
CAS No. |
17465-86-0 |
|
MF |
C₄₈H₈₀O₄₀ |
|
MW |
1297.12 |
|
EINECS No. |
241-482-4 |
|
Melting point |
≥300°C |
|
Boiling point |
845.2°C (rough estimate) |
|
Specific optical rotation |
[α]D²⁵ +174~+179° (c=1, H₂O) (After Drying) |
|
Density |
1.2064 (rough estimate) |
|
Refractive index |
1.7500 (estimate) |
|
Flash point |
450°C |
|
Storage conditions |
Room temperature |
|
Solubility |
1M NaOH: 25 mg/mL, may be clear to slightly turbid |
|
Form |
Powder |
|
Acid dissociation constant (pKa) |
11.68±0.70 (Predicted) |
|
Color |
White |
|
Odor |
Odorless |
|
Biological source |
Microbial |
|
Optical rotation |
[α]/D 174.0 to 180.0° |
|
Water solubility |
232 g/L (25°C) |
| Usage |
1. Inclusion Carrier: With a hydrophobic cavity at the center of its cyclic structure and hydrophilic hydroxyl groups at the 2nd, 3rd, and 6th positions of glucose, it can complex various molecules such as flavors, drugs, and pesticides into inclusion complexes, improving their stability, volatility, etc., and thus becoming a widely used inclusion material.
2. Flavor Modifier: Through the inclusion effect, it can eliminate or mask the peculiar odor of flavors, maintain and optimize the flavor, and improve its stability, facilitating its application in food, daily chemical, and other fields. 3. Stabilizer in Multiple Fields: In the pharmaceutical field, it stabilizes drugs and helps solubilize poorly soluble drugs; in the pesticide field, it improves the storage stability and insecticidal efficacy of pesticides; in the food field, it plays a stabilizing role in antioxidant, improving food structure, etc., and can also be used in daily chemical products for antiseptic purposes, as an emulsifier in cosmetics, and so on. |
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