Heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin

(CODE: 34)


Abbreviation: TRIMEB
CAS Number: 55216-11-0
Product Number: 34
Cyclodextrin type: Persubstituted cyclodextrins
Quality: standard grade
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Chemical and Physical Description
Molecular Formula C63H112O35
Formula Weight 1429.6
Possible impurities Undermethylated-beta-cyclodextrin,
beta-cyclodextrin
Solubility
(in 100 cm3 solvent, at 25 °C)
Water: > 30 g
Methanol: > 30 g
Chloroform: > 50 g
Specification
Test Method Result
Appearance Visual white to slight yellow powder
Identification 1 HPLC (EP 2.2.29) tR of the major peak corresponds to that of the reference
Identification 2 NMR (EP 2.2.33) conform to theoretical structure
Appearance of 10% aqueous solution Visual (EP 2.2.1-2) clear and colorless
Residual BCD content TLC (EP 2.2.27) max. 0.25%
Residual methyl iodide content GC (EP 2.2.28) max. 0.1%
Methanol content GC (EP 2.2.28) max. 0.3%
Residual solvents:
THF

GC (EP 2.2.28)

max. 720 ppm
Assay HPLC (EP 2.2.29) min. 97.0%
Conductivity
(25 °C, 1% solution in water)
Conductometry (EP 2.2.38) < 100 μS/cm
Light absorbing impurities
(1%)
UV-Vis (EP 2.2.25) A230 - A350: max. 0.1
A350 - A720: max. 0.02
Loss on drying EP 2.2.32 max. 5.0%
Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container.

MSDS Downloads

CY2003-TRIMEB

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