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If you're looking for the high-quality 2-hydroxypropyl-beta-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.
Name: 2-hydroxypropyl- beta-cyclodextrin
Other name : hydroxypropyl betadex ;
Hydroxypropyl-β-cyclodextrin .
Abbreviation : HPBCD
CAS: 128446-35-5; 94035-02-6; 136019-12-0
EINECS: 420-920-1
Molecular formula : C42H70-nO35(C3H8O2)n
Molecular weight: 1134.98+58n
Solubility(in 100cm3 solvent, at 25℃) : water: >180 g
Methanol: >33g
DMSO: >33g
Qaulity ： Pharma grade / food grade / cosmetics grade / industry grade
Standard : USP39/ EP9.0 / CP2015
Package: 500g/bag , 2kg/bag, 10kg/drum , 20kg/drum
Use : medical \ food \ chemical \ cosmetic \ other industries
Specification :
ITEMS |
SPECIFICATION(USP39) |
RESULTS |
Appearance |
white powder, insipid, innocent |
Qualify |
Assay |
≥98％ |
99.5% |
Degree of Substitution |
2.8-10.5 |
5.5 |
Clarity of solution |
50%(w/v) water solution is clear |
clear |
Identification(IR) |
same absorption bands with USP Hydroxypropyl Betadex RS |
Qualify |
Loss on Drying |
≤10％ |
4.5% |
|
Conductivity |
10%(w/v) water solution ≤200µS/cm |
70 |
Propylene oxide |
≤1ppm |
＜0.18ppm |
Propylene glycol |
≤2.5％ |
0.05% |
Sum of Other Impurities |
≤1％ |
0.51% |
Betadex |
≤1.5% |
0.39% |
Residue on Ignition |
≤0.2％ |
0.09% |
Heavy Metal |
≤20ppm |
＜10ppm |
chloride |
≤0.05% |
＜0.05% |
Bacterial endotoxins |