Gamma-cyclodextrin

(CODE: 36)


Abbreviation: GCD
CAS Number: 17465-86-0
Product Number: 36
Cyclodextrin type: Native, neutral
Quality: pharma grade
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Chemical and Physical Description
Molecular Formula C48H80O40
Formula Weight 1297.2
Possible impurities Other cyclodextrins, linear oligomers
Solubility
(in 100 cm3 solvent, at 25 °C)		 Water: > 20 g
Methanol: < 1.0 g
DMSO: > 20 g
Specification
Test Method Range
Appearance Visual white or almost white powder
Identification A  Specific optical rotation  EP 2.2.7 174° - 180°
Identification B   IR EP 2.2.24 complies with reference
pH EP 2.2.3 5.0-8.0
Reducing sugars as in EP monograph max. 0.2%
Light-absorbing impurities UV-VIS EP 2.2.25 A230 - A350: max. 0.10
A350 - A750: max. 0.05
Related substances
residual ACD
residual BCD
total other impurities		 HPLC EP 2.2.29 max. 0.5%
max. 0.5%
max. 0.5%
Sulfated ash EP 2.4.14 max. 0.1%
Elemental impurties EP 2.4.20 Cd  max. 0.2 ppm
Pb  max. 0.5 ppm
As  max. 1.5 ppm
Hg  max. 0.3 ppm
Co max. 0.5 ppm
V   max. 1 ppm
Ni  max. 2 ppmg
GCD content HPLC EP 2.2.29 97.0 - 102.0%
Loss on drying EP 2.2.32 max. 11.0%
Storage: at room temperature, in tightly closed container.

MSDS Downloads

  • MSDS_CY_3001_GCDv3.1

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