Name: Gamma-cyclodextrin
Other name : γ-cyclodextrin ; cyclomaltooctaose
Abbreviation : GCD
CAS NO.: 17465-86-0
Molecular formula : C48H80O40
Molecular weight: 1297.12
| Solubility(in 100cm3 solvent, at 25℃): | Water: >20 g |
| Methanol: <1g | |
| DMSO: >20g |
Qaulity ： Pharma grade / Food grade
Package: 500g/bag , 1kg/bag, 20kg/drum or customized
Use : Medical / Food / Chemical / other industries
Standard |
USP41-NF36 |
|
ITEMS |
CRITERIA |
|
Appearance |
White or almost white, amorphous or crystalline powder. Freely soluble in water and in propylene glycol, very slightly soluble in alcohol. |
|
Identification |
IR |
Same absorption bands as USP Gamma Cyclodextrin RS. |
HPLC |
The retention time of the major peak of sample solution corresponds to the standard solution. |
|
Optical rotation |
+174°~+180° |
|
Residue on Ignition |
≤0.1% |
|
Reducing Substances |
≤0.5% |
|
Alpha cyclodextrin |
≤0.5% |
|
Betadex cyclodextrin |
≤0.5% |
|
Sum of Other Impurities |
≤0.5% |
|
Loss on Drying |
≤11.0% |
|
Color and Clarity of Solution |
At 420 nm, the absorbance is not greater than 0.20, and the solution is clear. |
|
Assay |
98.0%~102.0% |
|
The total aerobic microbial count |
≤1000cfu/g |
|
The total combined moulds and yeasts count |
≤100cfu/g |
|
Packaging and storage |
Preserve in well-closed containers and store at room temperature. |
|
If you're looking for the high-quality gamma -cyclodextrin, our company must be your best choice. We're one of the leading manufacturers and supplier with rich experience and wide expertise. Please be rest assured to buy the products from our factory.
https://www.cydextrins.com/