Formula: C₄H₇NO₄ CAS: 617-45-8 EC No.: 210-513-3 M (Molar Mass): 133.10 g/mol D (Density): 1.66 g/cm³ (approx.) mp (Melting Point): 280-300°C (decomposes) bp (Boiling Point): Not applicable Optical Rotation: Optically inactive (racemic mixture).

Assay (Acid-Base Titration): ≥ 99.0 % Appearance: White crystalline powder. Identification (IR Spectrum, TLC): Passes test. Melting Range (with decomposition): 280-300°C Purity (by HPLC): ≥ 99.0 % (for use as standard) Chloride (Cl): ≤ 0.02 % Sulfate (SO₄): ≤ 0.03 % Heavy Metals (as Pb): ≤ 10 ppm Loss on Drying (at 105°C): ≤ 0.5 % Residue on Ignition: ≤ 0.1 %