Appearance: White powder;
Melting point: 118°C -122 °C;
Assay: ≥99%(HPLC);
Optical purity: ≥99%;
Optical Rotation: 21-124;
Loss on drying: ≤0.5%;
Residue if ignition: ≤0.2%;
Heavy metal: ≤10PPM;
isomer: ≤1.0%.