白色细粉末晶体。熔点155°C  折射率25 ° (C=1, DMF)   

    
        
            
            
Items
            
            
            
Standard
            
        
        
            
            
Appearance
            
            
            
White powder
            
        
        
            
            
Specific Rotation [20/D]
            
(C=1 in ethyl acetate)
            
            
            
+7.2 Degree ±1 Degree
            
        
        
            
            
IR Spectrum
            
            
            
In accordance with structure
            
        
        
            
            
Related Substance (TLC)
            
            
            
One spot
            
        
        
            
            
Loss on Drying
            
            
            
Not more than 0.50%
            
        
        
            
            
D-isomer content
            
            
            
Not more than 0.5%
            
        
        
            
            
Purity (PHLC)
            
            
            
Not less than 98.0%