Molecular formula:  C₉H₇N 
Molecular weight: 129.16  
Structural formula:  

CAS NO.： 91-22-5  
Appearance: Slight yellow or brown liquid (the color become darker after laying up)
Purity (chromatograph):  90%, 93%, 95%, 96%, 97%, 98%, 99% 
Distillation range: (Atmospheric pressure 101325Pa 235-240°C)
Melting point: -15.6 °C   
Boiling point: 237.3 °C  
Density: 1.095  
Flashing point: 101°C  
Packing: 200KG Galvanized closed steel drum
Use:  Pharmacy