Formula: C₃H₇SO₃Na CAS: 1561-92-8 EC No.: 216-344-1 M (Molar Mass): 146.14 g/mol D (Density): Not typically specified mp (Melting Point): >300 °C bp (Boiling Point): Not applicable Optical Rotation: Not applicable

Assay (Ion Chromatography): ≥ 99.0 % Appearance: White crystalline powder. Identification (NMR, IR): Passes test. pH (1% solution): 6.0-8.0 UV Absorbance (in H₂O): Meets HPLC grade specifications (low UV cutoff). Acetonitrile (HPLC Gradient): ≤ 0.1 % Water (Karl Fischer): ≤ 0.5 % Heavy Metals (as Pb): ≤ 10 ppm