Sulfobutylated alpha-cyclodextrin sodium salt (DS~4)

(CODE: CY-1041.1)


Abbreviation: -
CAS Number: -
Product Number: CY-1041.1
Cyclodextrin type: Anionic cyclodextrins
Quality: fine chemical grade
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Chemical and Physical Description
Molecular Formula C36H60-nO30 · (C4H8O3SNa)n
Formula Weight 972.9 + n * (158.2)
Possible impurities 4-hydroxybutane-1-sulfonic acid sodium salt; bis(4-sulfobutyl) ether disodium; residual αCD
Solubility
(in 100 cm3 solvent, at 25 °C)		 Water: > 50 g
Methanol: < 0.5 g
Acetone: < 0.5 g
Specification
Test Method Range
Appearance Visual white to slight yellow powder
Average Degree of Substitution (n) CE (EP 2.2.47) 3.0-5.0
Purity Calculated (on dry substance) > 95%
Impurities
residual αCD
bis(4-sulfobutyl) ether disodium
4-hydroxybutane-1-sulfonic acid		 CE (EP 2.2.47)
< 3%
< 0.1%
< 0.1%
Loss on drying 105°C, 4 h, in vac, P2O5 < 5%
Comments: only for reagent and laboratory purposes, not for human use.
Storage: at room temperature, in tightly closed container.
 




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