Formula: C₅H₁₀O₅ CAS: 58-86-6 EC No.: 200-400-7 M (Molar Mass): 150.13 g/mol mp (Melting Point): 153-156°C Specific Rotation: [α]²⁰D +18.5° to +19.5° (c=10 in water) Appearance: White crystalline powder.

Assay (HPLC): ≥ 99.0 % Appearance: White crystalline powder. Specific Rotation [α]²⁰D: +18.8° to +19.3° Identification (Selivanoff test): Passes test (red color with resorcinol/HCl). Solubility (in water): Clear, colorless solution. Loss on Drying: ≤ 0.5 % Residue on Ignition: ≤ 0.1 % Heavy Metals (as Pb): ≤ 10 ppm