Testing items Specifications
Appearance White crystalline powder
Identification IR, UV, HPLC conform
Solubility Soluble in methanol, slightly soluble in water and in acetone
Loss on Drying ¡Ü0.5%
Residue on ignition ¡Ü0.2%
Iron ¡Ü0.005%
Heavy metals ¡Ü0.001%
Related substances Total: ¡Ü0.5%
Individual: ¡Ü0.3%
E-isomer ¡Ü0.3%
Assay(ON DRIED BASIS) 99.0%~101.0%