Appearance:Whitecrystallinepowder ;Assay:98.5%-101.5% Meltingpoint:186-189℃ Lossondrying≤0.2% Residueonignition≤0.1% Heavymetal ≤20ppm Applicationclassification:USP31pharmaceuticalintermediatesdetected Package:25kgFiberdrum¢38×50cm