Alpha-cyclodextrin

(CODE: 37)


Abbreviation: ACD
CAS Number: 10016-20-3
Product Number: 37
Cyclodextrin type: Native, neutral
Quality: standard grade
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Chemical and Physical Description
Molecular Formula C36H60O30
Formula Weight 972.9
Possible impurities Other cyclodextrins, linear oligomers
Solubility
(in 100 cm3 solvent, at 25 °C)
Water: > 10 g
Methanol: < 1.0 g
DMSO: > 10 g
Specification
Test Method Range
Appearance Visual white or almost white powder
Identification HPLC (EP 2.2.29) complies with reference
Appearance of 1% aqueous solution Visual (EP 2.2.1) clear solution
Light absorbing impurities (1%) UV-Vis (EP 2.2.25) A230 - A350: max. 0.20
A350 - A750: max. 0.10
pH of 1% aqueous solution EP 2.2.3 5.0 - 8.0
ACD content HPLC (EP 2.2.29) > 95.0%
Related substances
residual BCD
residual GCD
sum of other impurities
HPLC (EP 2.2.29)
max. 0.25%
max. 0.25%
max. 0.50%
Conductometry EP 2.2.38 max. 200 μS/cm
Loss on drying EP 2.2.32 max. 11.0%
Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container.

MSDS Downloads

  • CY1001-ACD

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