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manufacture : methyl-beta-cyclodextrin
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manufacture: methyl-beta-cyclode, |
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manufacture: methyl-beta-cyclodextrin |
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Name: methyl-beta-cyclodextrin
Other name : methyl-β-cyclodextrin
CAS: 128446-36-6
Abbreviation: MEBCD
Molecular formula : C42H70-nO35 · (CH3)n
Molecular weight: 1135 + n·(14.0)
Solubility(in 100cm3 solvent, at 25â„? : water: >50g
Methanol: >50g
Chloroform: ~ 2 g
Standard : enterprise standard
Package: 500g/bag , 1kg/bag, 10kg/drum
Use : medical \ chemical \ other industries
Description
Appearance white powder, insipid, innocent Qualify
Assay �8�99.6%
Degree of Substitution 11.2-13.3 13.0
Molar of substitution 1.6-1.9 1.8
Loss on Drying �.0�3.9%
Optical density of a 10%solution (220-350nm)
�.0 Qualify
Optical density of a 10%solution (350-600nm)
�.1 Qualify
Chloride �.2��.05�
Unsubstituted cyclodextrin �.3�Absent
Residue on Ignition �.5�0.39%
Heavy Metal (as pd) �.0001% �.0001%
Arsenic salt (AS) �.0005% �.0005%
Specific rotation 154-165º 156.2º
Solubility in water(25â„? >750g/L Qualify
TAMC(cfu/g) �000 10
TYMC(cfu/g) �00 10
Salmonella/E. Coli (cfu/g) Absent Absent
Storage: at room temperature, in tightly closed container.
Characteristics and applicationsï¼?
Methylated-β-cyclodextrin (Me-β-CD) is one of cyclodextrin derivatives that were widely used in modern researches and applications.
Me-β-CD can be soluble both in water and in organic solvents. In pharmaceuticals industry, it can increase solubility and bioavailability of drugs, so that the efficacy of drugs can last longer with less ingestion. It can adjust and control the drug release rate, reduce drug side-effects, and enhance the stability of drugs particularly for oil-soluble molecules.
In commodity chemicals and cosmetics, Me-β-CD can reduce microbial contamination and skin irritations, keep skin moist, mask bad odors, promote transdermal absorption of activeingredients.
Me-β-CD has a larger surface tension in common cyclodextrin derivatives.
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| Company: |
shandong binzhou zhiyuan biotechnology co.,ltd
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| Contact: |
Ms. bob zhao |
| Address: |
boxing economic development zone . Binzhou . Shandong . china |
| Postcode: |
256500 |
| Tel: |
86-0543-2616568 |
| Fax: |
86-0543-2605568 |
| E-mail: |
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