Appearance White crystal or crystalline powder Assay 98%min Melting point 230-232℃ Loss on drying 0.5% max Residue on ignition 0.1% max

Appearance White powder Assay,HPLC 98%min Melting point 126-130℃ Loss on drying 0.5% max Residue after Ignition 0.1% max

Appearance white crytal powder Assay(HPLC) 99%min Melting point 265-266Deg.C Residue after ignition 0.1% max Loss on drying 0.5% max

Appearance Off-white powder Melting Point(℃) 122-124(℃) Moisture ≤0.5% Assay,HPLC ≥99% Residue after Lgnition ≤0.1%