Sulfobutylated gamma-cyclodextrin sodium salt (DS~4)

(CODE: CY-3041.1)

Price: € 42.21 / g

Abbreviation: SBEGCD

CAS Number: -

Product Number: CY-3041.1

Cyclodextrin type: Randomly substituted, anionic

Quality: Fine chemical grade

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Discount

Volume	Volume Discount	Price
from 1 g	0%	€ 42.21 / g
from 25 g	30%	€ 29.40 / g

Chemical and Physical Description

Average Molecular Formula	C₄₈H8_0-nO₄₀ · (C₄H₈O₃SNa)_n
Average Formula Weight	1297.2 + n·(158.2)
Possible impurities	4-Hydroxybutane-1-sulfonic acid sodium salt, bis(4-sulfobutyl) ether disodium, residual gamma-cyclodextrin
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 GCD bis(4-sulfobutyl)ether disodium 4-hydroxybutane-1-sulfonic acid	HPLC (EP 2.2.29) CE (EP 2.2.47) CE (EP 2.2.47)	< 1.0% < 0.1% < 2.5%
Water content	Karl-Fischer (EP 2.5.12)	< 15.0%