Methyl-beta-cyclodextrin (DS~12)

(CODE: 29)


Abbreviation: RAMEB
CAS Number: 128446-36-6
Product Number: 29
Cyclodextrin type: Randomly substituted cyclodextrins, neutral
Quality: standard grade
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Chemical and Physical Description
Average Molecular Formula C42H70-nO35 · (CH3)n
Average Formula Weight 1135 + n·(14.0)
Possible impurities Beta-cyclodextrin
Solubility
(in 100 cm3 solvent, at 25 °C)
Water: > 50 g
Methanol: > 50 g
Chloroform: ~ 2 g
Specification
Test Method Range
Appearance Visual white or almost white powder
Clarity of 10% solution Visual (EP 2.2.1 - 2.2.2) clear and colorless
Conductivity (25 °C, 1% solution in water) Conductometry (EP 2.2.38) max 400 μS/cm
Related substances: Betadex
TLC (EP 2.2.27)

max. 0.25%
Light absorbing impurities (1%) UV-Vis (EP 2.2.25) A230 - A350nm: max. 0.10
A350 - A 720nm: max. 0.05
Purity Calculated min. 95.0%
Average Degree of Substitution (n) NMR (EP 2.2.33) 10.0 - 14.0
Loss on drying EP 2.2.32 max. 10.0%
Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container.

MSDS Downloads

  • CY2004-1-RAMEB

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