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Category:Excipients > Solvents
Product Name:Hydroxypropyl-Gamma-Cyclodextrin Cas 128446-34-4
CAS No.:128446-34-4
Standard:In-house Standards
Price(USD):Negotiable
Company:Shandong Binzhou Zhiyuan Biotechnology Co., Ltd.
Grade: Enterprise grade
Factory Location: Shandong China
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Sample Provided: yes
Payment Terms: L/L
Name: hydroxypropyl gamma cyclodextrin
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Another name: hydroxypropyl - γ - cyclodextrin; hydroxypropyl - gamma - cyclodextrin;
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English Name: hydroxyl gamma cyclodextrin; hydroxyl - γ - cyclodextrin;
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Abbreviation: HP - γ - CD
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CAS NO. : 128446-34-4
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Molecular formula: c48h80-no40. (c3h7o)n
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Molecular weight: 1297.2 + n. (58.1)
|
ITEMS |
CRITERIA |
|
Appearance |
White or almost white powder; Odorless,slightly sweet; Freely soluble in water,soluble in ethanol,almost insoluble in acetone. |
|
Water solution pH |
pH5.0~8.5 |
|
Light-absorbing impurities |
Between 230 and 350 nm,the absorbance is NMT 0.5; and between 350 and 660 nm, the absorbance is NMT 0.5. |
|
Water |
≤10.0% |
|
Gamma Cyclodextrin |
≤1.5% |
|
Residue on ignition |
≤0.2% |
|
Heavy Metal |
≤10ppm |
|
Propylene glycol |
≤0.5% |
|
Assay |
≥95% |
|
Hydroxypropoxyl content |
17.5%~29.1% |
|
The total aerobic microbial count |
≤1000cfu/g |
|
The total combined moulds and yeasts count |
≤100cfu/g |
|
Escherichia coli |
Absence |
|
Bacterial Endotoxins Test |
According to preparation needs |
Characteristics of hydroxypropyl gamma cyclodextrin:
Hydroxypropyl gamma cyclodextrin dissolves large molecules, such as cholesterol, for cell culture. Hydroxypropyl gamma cyclodextrin is similar to betacyclodextrin, but can dissolve larger molecules.
Application of hydroxypropyl gamma cyclodextrin:
The water solubility of hydroxypropyl - γ - cyclodextrin was further increased to 80g / 100ml (25 ℃). At the same time, the hydroxypropyl - γ - cyclodextrin was no longer a single pure product, but a mixture of multiple substitutions. It was not easy to form inclusion complex crystal precipitation when it was combined with guest molecules. In general, hydroxypropyl - γ - cyclodextrin had higher water solubility and stronger anti-oxidation ability The ability of crystallization. The solubility of γ - cyclodextrin in water is 23.2g/100ml (25 ℃), and its application is limited in some cases.
It is suggested that it can be used in high value-added products, such as medicine, health care products, cosmetics and other special materials, or the treatment of hydroxypropyl - β - cyclodextrin.
Packaging of hydroxypropyl gamma cyclodextrin:
Package specification: 10g / 20g / 50g / 100g / 500g / 1kg / 2kg / 10kg
Packing form: bottle, carton, cardboard barrel
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