Faintly brown powder with lumps              熔点：152 °C

    
        
            
            
Items
            
            
            
Standard
            
        
        
            
            
Appearance
            
            
            
Faintly brown powder with lumps
            
        
        
            
            
Specific Rotation [20/D]
            
(C=1 in H2O)
            
            
            
+25.90±2 Degree
            
        
        
            
            
IR Spectrum
            
            
            
In accordance with structure
            
        
        
            
            
Melting Point (Celsius Degree)
            
            
            
151to 153 Celsius Degree
            
        
        
            
            
Loss on Drying
            
            
            
Not more than 0.50%
            
        
        
            
            
Assay
            
            
            
98.0% to 102.0%