白色至类白色粉末。加热至316℃分解。溶于碱溶液，溶于水，微溶于醇，不溶于乙醚和丙酮。有刺激性。
 

    
        
            
            
Item
            
            
            
Standard
            
        
        
            
            
State of solution
            
(Transmittance)
            
            
            
Not less than 95.0%
            
        
        
            
            
Chloride (Cl)
            
            
            
Not more than0.10%
            
        
        
            
            
Heavy metal(Pb)
            
            
            
Not more than 10ppm
            
        
        
            
            
Arsenic(As2O3)
            
            
            
Not more than 2ppm
            
        
        
            
            
Other amino acids
            
            
            
Chromatographically
            
not  detectable
            
        
        
            
            
Loss on drying
            
            
            
Not more than 0.20%
            
        
        
            
            
Residue on ignition(sulfated)
            
            
            
Not more than 0.20%
            
        
        
            
            
Assay
            
            
            
98.0 to101.0%
            
        
    

生化研究
密封避光保存