Appearance: a white or off-white crystalline powder Clarity & color of solution: pass identification: pass Specific rotation: -50.0～-53.5? *Melting point: 206～212℃(CHP2000) Limit of adrenalone: not more than 0.2% Limit of noradrenaline: not more than 1% Phenones: not more than 0.2% Loss on drying: not more than 1.0% Residue on ignition: not more than 0.1% Assay: 97～100.5% (*not less than 98.50%) Standards: BP2000/USP26 Packing: 20g/alum.bag in vacuum, 2kgs/box CAS No.: 51-43-4