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        Order
         Intermediate
        

         
 
 

 
	
        2,7-Naphthalenedisulfonic Acid Disodium Salt
        
	


        
	
		
        
			
			
        
			
        C.A.S. No.: 1655-35-2
        

			
        Chemical Formula: C10H6O6S
        

			
        Molecular Weight: 286.28
        

			
        Chemical name:
        

			
        2,7-Naphthalenedisulfonic Acid Disodium Salt
        
			
        
			        		
			
		
        
		
        
			 
		
        
		
        
			
			
         
        

			
        
				
					
        
						
						
        Appearance
        
						        		
						
						
        White Powder
        
						        		
					
        
					
        
						
						
        Coupling Value
        
						        		
						
						
        90% Min.
        
						        		
					
        
					
        
						
						
        HPLC
        
						        		
						
						
        98% Min.
        
						        		
					
        
					
        
						
						
        2,6-Disulfonic Acid
        
						        		
						
						
        2% Max.
        
						        		
					
        
					
        
						
						
        Salt Content
        
						        		
						
						
        5% Max.
        
						        		
					
        
					
        
						
						
        Free Acid
        
						        		
						
						
        2% Max.
        
						        		
					
        
					
        
						
						
        Insoluble
        
						        		
						
						
        0.3% Max.
        
						        		
					
        
					
        
						
						
        Packing
        
						        		
						
						
        25 kg woven bag
        
						        		
					
        
				        
			
        
			        		
		
        
	        

        


        

         
 
		
   

        




        
 

 

			
			
			
			
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