CHEMICAL AND PHYSICAL DESCRIPTION
|Possible impurities ||4-Hydroxybutane-1-sulfonic acid sodium salt, bis(4-sulfobutyl) ether disodium |
(in 100 cm3 solvent, at 25 °C)
|Cyclodextrin content (estimated) ||50 - 70% |
|Test ||Method ||Range|
|Appearance ||Visual ||white to yellowish powder |
|Average Molecular Weight ||Static light scattering||to be reported|
|Average Degree of Substitution for sulfobutyl groups||NMR (EP 2.2.33) ||1.0 - 4.0 |
|Loss on drying ||EP 2.2.32 ||< 15% |
Comments: only for reagent and laboratory purposes, not for human use.
Storage: at room temperature, in tightly closed container.