Sulfopropylated gamma-cyclodextrin sodium salt (DS~2)

(CODE: CY-3040.0)

Abbreviation: SPGCD2

CAS Number: -

Product Number: CY-3040.0

Cyclodextrin type: Randomly substituted, anionic

Quality: Fine chemical grade

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Chemical and Physical Description

Average Molecular Formula	C₄₈H_80-nO₄₀ · (C₃H₆O₃SNa)_n
Average Formula Weight:	1297.2+ n·(144.1)
Possible impurities	Gamma-hydroxypropylsulfonic acid sadium salt, residual GCD
Solubility (in 100 cm³solvent, 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.