Formula Weight: 393.5CMC: (H2O) ~ 1.4 mM(1) (0.055%)Purity: ≥ 99% (by HPLC analysis)pH: 5-8 (0.5% solution in water)Solubility: ≥ 0.5% (in water at 0-5°C)Conductance: < 100 μS (0.5% solution in water)Fluorescence: <10% (0.1% solution in water at 345nm)Absorbance of a 0.5% solution in water260 nm: < 0.1280 nm: < 0.08340 nm: < 0.05