Beta-cyclodextrin

(CODE: 33)


Abbreviation: BCD
CAS Number: 7585-39-9
Product Number: 33
Cyclodextrin type: Native, neutral
Quality: standard grade
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Chemical and Physical Description
Molecular Formula C42H70O35
Formula Weight 1135.0
Possible impurities Other cyclodextrins, linear oligomers
Solubility
(in 100 cm3 solvent, at 25 °C)
Water: < 2.0 g
Methanol: < 1.0 g
DMSO: > 10 g
Specification
Test Method Result
Appearance Visual white or almost white crystalline powder
Identification 1 HPLC (EP 2.2.29) conform to reference
Identification 2 TLC (EP 2.2.27) conform to reference
Appearance of 1% aqueous solution Visual (EP 2.2.1, EP 2.2.2) clear, colorless solution
Light absorbing impurities
(1%)
UV-Vis (EP 2.2.25) A230 - A350:max. 0.20
A350 - A700:max. 0.10
pH of 1% aqueous solution EP 2.2.3 5.0 - 8.0
BCD content HPLC (EP 2.2.29) 98.0 - 101.0%
Related substances
residual ACD
residual GCD
sum of other
impurities
HPLC (EP 2.2.29)
max. 0.25%
max. 0.25%
max. 0.50%
Water content Karl-Fischer (EP 2.5.12) max. 16.0%
Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container.

MSDS Downloads

CY2001-BCD

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