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Pharma Grade Cyclodextrins
Standard Grade Cyclodextrins
Nonionic Cyclodextrins
Anionic Cyclodextrins
Cationic Cyclodextrins
Maltooligomers
Novel Single Isomer Cyclodextrins
Fluorescent Cyclodextrins
Fluorescent Polymers
Cyclodextrin Polymers
Complexes
HPLC Columns
Analytical standards
(2-Hydroxypropyl)-alpha-cyclodextrin (DS~4.5)
(CODE: 41)
Abbreviation:
HPACD
CAS Number:
99241-24-4
Product Number:
41
Cyclodextrin type:
Randomly substituted cyclodextrins, neutral
Quality:
standard grade
for
0.00
EUR
Get a quote
Chemical and Physical Description
Average Molecular Formula
C
36
H
60-n
O
30
· (C
3
H
7
O)
n
Average Formula Weight
972.9 + n·(58.1)
Possible impurities
Propylene glycol, ACD, hydroxypropylated linear dextrins
Solubility
(in 100 cm
3
solvent, at 25 °C)
Water: ~ 50 g
Methanol: ~ 5 g (opalescent)
Chloroform: < 1 g
Specification
Test
Method
Range
Appearance
Visual
white or almost white powder
Identification
HPLC (EP 2.2.29)
conforms with reference
Clarity of solution
(1 g in 2 mL distilled water)
Visual (EP 2.2.1, EP 2.2.2)
clear and colorless
Residual ACD
HPLC (EP 2.2.29)
max. 2.0%
pH (5%)
EP 2.2.3
5.0 - 8.0
Average Degree of Substitution (n)
NMR (EP 2.2.33)
3.0 - 5.4
(molar substitution: 0.5 - 0.9)
Light absorbing impurities (1%)
UV-Vis (EP 2.2.25)
A
230
- A
350
: max. 0.1
A
350
- A
600
: max. 0.01
Loss on drying
EP 2.2.32
max. 7%
Comments:
only for reagent and laboratory purposes, not for human use.
Storage:
at room temperature, in tightly closed container.
MSDS Downloads
CY1005-HPACD
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(2-Hydroxypropyl)-beta-cyclodextrin (DS~4.5)
(CODE: CY-2005.2)
Price:
€ 2.40 / g
Discount Price
€ 2.04 / g
Quality:
fine chemical grade
for
2.04
EUR
Add to basket
Details