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Hydroxypropyl Gamma cyclodextrin is recommended for high value-added special materials products, such as medicine, health care products, cosmetics or other larger molecularor which hydroxypropyl beta cyclodextrin has no ability to treat.
Product Name: Hydroxypropyl-Gamma-Cyclodextrin
CAS No. : 128446-34-4
Synonyms: Hydroxypropyl-γ-Cyclodextrin
Molecular Formula: C48H80-nO40.(C3H7O)n
Molecular Weight: 1297.2+n·(58.1)
Hydroxypropyl gamma Cyclodextrin | |
Test Standard | Enterprise Standard |
ITEMS | SPECIFICATION |
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 |
Packaging and storage | Preserve in well-closed containers. |
Hydroxypropyl gamma cyclodextrin's water solubility increase to 80g/100ml (25 C) furtherly , and hydroxypropyl gamma cyclodextrin is no longer a single pure compound but a coexistence of multiple substituted compounds, when including with guest molecules is not easy to generate crystallization. Overall, hydroxypropyl- gamma cyclodextrin has a higher solubility in water and stronger anti crystallization ability.
Hydroxypropyl Gamma cyclodextrin is recommended for high value-added special materials products, such as medicine, health care products, cosmetics or other larger molecularor which hydroxypropyl beta cyclodextrin has no ability to treat.
Product Name: Hydroxypropyl-Gamma-Cyclodextrin
CAS No. : 128446-34-4
Synonyms: Hydroxypropyl-γ-Cyclodextrin
Molecular Formula: C48H80-nO40.(C3H7O)n
Molecular Weight: 1297.2+n·(58.1)
Hydroxypropyl gamma Cyclodextrin | |
Test Standard | Enterprise Standard |
ITEMS | SPECIFICATION |
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 |
Packaging and storage | Preserve in well-closed containers. |
Hydroxypropyl gamma cyclodextrin's water solubility increase to 80g/100ml (25 C) furtherly , and hydroxypropyl gamma cyclodextrin is no longer a single pure compound but a coexistence of multiple substituted compounds, when including with guest molecules is not easy to generate crystallization. Overall, hydroxypropyl- gamma cyclodextrin has a higher solubility in water and stronger anti crystallization ability.