Formula: C₁₀H₁₆O₄S CAS: 35963-20-3 EC No.: 252-802-2 M (Molar Mass): 232.29 g/mol D (Density): Not applicable mp (Melting Point): 193-195°C (decomposes) bp (Boiling Point): Not applicable Optical Rotation: [α]²⁰D -20° to -22° (c=2 in water)

Assay (Titration): ≥ 99.0 % Appearance: White crystalline powder. Identification (IR): Passes test. Specific Rotation: [α]²⁰D = -20.5° to -21.5° Melting Range: 192-196°C Chloride (Cl): ≤ 0.02 % Sulfate (SO₄): ≤ 0.05 % Heavy Metals (as Pb): ≤ 20 ppm Loss on Drying: ≤ 0.5 % Water content (Karl Fischer): ≤ 0.5 %