四川丰满少妇一级毛片63

                      

                          

                              










                              
  
                              
    





                               
                              

                              
  
                              
           4,4’-Diaminostilbene-2,2’-disulf..
  
                              
           p-nitrotoluene-o-sulfonic acid ..
  
                              
           4,4-Dinitrostilbene-2,2-disulfon..
  
                              
           Aniline-2,5-disulfonic acid mono..
  
                              
           Para Amino Azo Benzene 4 Sulfoni..
  
                              
           4-aminobenzene-1,3-disulphonic a..
  
                              

                              
  
                              
            More
  
                              

                              
                              		
    
                              
        
                              
          
                              
              
                              
                 
                 Products 
              
                              
          
                              		
        
                              
        
                              
          
                              
              
                              
                
                              
                                        
                              
                        
                                 
                              
                        
                              4,4-Dinitrostilbene-2,2-disulfonic acid
                              
                    
                              		
                
                              
                
                              
                   
                              Chemical name: 4,4-Dinitrostilbene-2,2-disulfonic acid
                              
Structural formula: 
                              
                
                              
Chemical formula: C14H10N2O10S2
                              
Molecular weight: 430
                              
CAS NO.:128-42-7
                              
Quality index: 
                              


                              
	
		
                              
			Item
			Index
		
                              
		
                              
			(1)Appearance
			orange powder
		
                              
		
                              
			(2)Binitro acid content(gross dry product)　　
			≥ 65.0%
		
                              
		
                              
			(3)binitrobenzyl compound
                              
			(gross dry product )　　　　                              		
			≤ 0.5%
		
                              
		
                              
			(4)Other organic impurities(gross dry product )　　
			≤ 2.0%
		
                              
		
                              
			(5)Inorganic salt(gross dry product )　　　　　　　
			≤ 2.0%
		
                              
		
                              
			(6)Water insolubles(gross dry product)　　　　　　
			≤ 1.0%
		
                              
	                              

                              


                              Main use: it is an intermediate of dyes.
                              
Packing: 25kg plastic woven bag.