(2-Hydroxypropyl)-gamma-cyclodextrin

(CODE: 38)


Abbreviation: HPGCD
CAS Number: 128446-34-4
Product Number: 38
Cyclodextrin type: Randomly substituted cyclodextrins, neutral
Quality: pharma grade
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Chemical and Physical Description
Average Molecular Formula C48H80-nO40· (C3H7O)n
Average Formula Weight 1297.2 + n·(58.1)
Possible impurities Propylene glycol, gamma-cyclodextrin, hydroxypropylated linear dextrins
Solubility
(in 100 cm3 solvent, at 25 °C)
Water: > 33 g
Methanol: > 33 g
DMF: > 33 g
Specification
Test Method Range
Content HPLC 98.0-102.0%
Microbial contamination EP 2.6.12 max. 100 CFU/g
Volatile organics GC max. 50 ppm
Heavy metals USP <231> max. 5.0 ppm
Related substances
residual GCD
propylene glycol

HPLC (EP 2.2.29)
GC (EP 2.2.28)

max. 1.5%
max. 0.1%
Residue on ignition USP <281> max. 0.1%
Loss on drying halogen dryer max. 5.0%
Storage: at room temperature, in tightly closed container.

MSDS Downloads

  • 38-HPGCD

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