Sulfopropylated-gamma-cyclodextrin sodium salt (DS~2)

(CODE: 3040.0)


Abbreviation: SPGCD2
CAS Number: -
Product Number: 3040.0
Cyclodextrin type: Anionic cyclodextrins
Quality: fine chemical grade
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Chemical and Physical Description
Average Molecular Formula C48H80-nO40 · (C3H6O3SNa)n
Average Formula Weight:  1297.2+ n·(144.1)
Possible impurities Gamma-hydroxypropylsulfonic acid sadium salt, residual GCD
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) 1.0-3.0
Impurities:
            residual GCD
            gamma-hydroxypropyl-sulfonic acid sodium salt		 TLC (EP 2.2.27)
CE (EP 2.2.47)		 < 5%
< 1.0%
Loss on drying EP 2.2.32 < 10.0%
Comments: only for reagent and laboratory purposes, not for human use.
Isomeric mixture. Substituents are located mainly at O(2) of the anhydroglucopyranose units. More than 95% of the product is in salt form. 

Storage: at room temperature, in tightly closed container.