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Pharma Grade Cyclodextrins
Standard Grade Cyclodextrins
Sugammadex related impurities (analytical standards)
Nonionic Cyclodextrins
Anionic Cyclodextrins
Cationic Cyclodextrins
Maltooligomers
Novel Single Isomer Cyclodextrins
Fluorescent Cyclodextrins
Fluorescent Polymers
Cyclodextrin Polymers
Complexes
Analytical standards
(2-Hydroxypropyl)-gamma-cyclodextrin (DS~4.5)
(CODE: 38)
Abbreviation:
HPGCD
CAS Number:
128446-34-4
Product Number:
38
Cyclodextrin type:
Randomly substituted cyclodextrins, neutral
Quality:
standard grade
for
0.00
EUR
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Chemical and Physical Description
Average Molecular Formula
C
48
H
80-n
O
40
· (C
3
H
7
O)
n
Average Formula Weight
1297.2 + n·(58.1)
Possible impurities
Propylene glycol, GCD, hydroxypropylated linear dextrins
Solubility
(in 100 cm
3
solvent, at 25 °C)
Water: > 50 g
Methanol: > 50 g
Chloroform: < 1.0 g
Specification
Test
Method
Range
Appearance
Visual
white or off-white powder
Specific rotation
EP 2.2.7
145° – 165°
Clarity of solution (1 g in 2 ml)
clear and colorless solution
Related substances:
GCD
propylene glycol
HPLC (EP 2.2.29)
GC (EP 2.2.28)
max. 1.0%
max. 1.0%
Residual solvents:
methanol
acetone
GC (EP 2.2.28)
max. 50 ppm
max. 50 ppm
Heavy metals
EP 2.4.8
max. 20 ppm
pH (2% in water)
6.0-9.0
Average Degree of Substitution (n)
NMR (EP 2.2.33)
3.2 - 5.6
Water content
EP 2.5.12
max. 7.0%
Light absorbing impurities (5%)
EP 2.2.25
max. 1.0 (220 – 350 nm)
max. 0.1 (350 – 600 nm)
Comments:
only for reagent and laboratory purposes, not for human use.
Storage:
at room temperature, in tightly closed container.
MSDS Downloads
38-HPGCD
Related products
(2-Hydroxypropyl)-gamma-cyclodextrin
(CODE: 38)
Quality:
pharma grade
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Details