Alpha-cyclodextrin

(CODE: 37)

Abbreviation: ACD

CAS Number: 10016-20-3

Product Number: 37

Cyclodextrin type: Native, neutral

Quality: Research 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 cm³solvent, 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