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    Zhejiang Dragon Chemical Group Company
    
  

  

    
  






  

    
    





  

    

   
        
1,2-Diamino Naphthalene-5,7-Disulfonic Acid

        CAS No.: 73692-57-6

        

          

            Structural Formula:
            
          

        

        
Molecular weight: 318

Molecular formula:C10H10O6N2S2

Appearance: Grey-White Powder

 Purity(Uv-Vis Value): 90% Min.

 Hplc(Area-Percent): 98% Min.

 Moisture: 2% Max.

 Insoluble: 0.1% Max.

     		
          

          

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