CAS NO.: 55268-74-1
Appearance: white or white-like crystal powder  
Purity(chromatogram): 98.5%  
distillation range: (atmospheric pressure 101325Pa 235-240 ºC )  
Melting point:  136－142ºC  
Boiling point: 243 ºC  
Density: 1.098  
Packing: 25KG plastics weaving bag or paperboard barrel.
Use: worm-resistance medicine, mainly used in cestodiasis,distomatosis pulmonum, cysticercosis,etc.