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 |
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% |