亚洲黄色一级毛片,国产欧美一区二区三区鸳鸯浴,国产一区二区三区毛片,一级黄色片在线看,一级全免费视频播放,免费国产a国产片高清不卡,国产a免费

<big id="ierrn"></big>
  • 


    
  
    
    
    
      
    
        
    
          
    
            
    
              
    
                Taizhou Keyan fine chemical co.,ltd.
                
    
                  
    
                    
                  
    
                  
    
                     
                    
    
                
    		
              
    
            
    		
          
    
          
    
            
    
              
    
                
              
    
            
    		
          
    
        
    		
      
    
    
    		
  
    
  
    
    
    
      
    
        
      
    
    
    		
  
    

    

  
  



  
  
  
  
  
  
  
  


				
				
				
				










    
  
    
    
    
      
    
        
    
          
    
            
    
  
    
    
  
    
  
    
    
  
    

  
    
    
  
    
  
    
    
  
    

    


  
  
  
  
  
  
  
  
  
  
  

    		
            
    
              
    
                
              
    
              
    
                
    
                  
    
                    
    
                                            
    
	
		
    
			
				product Name
			
				2,4'-Difluorobenzophenone
		
    
		
    
			
				Synonyms
			
				2,4'-difluorobenophenone; (2-fluorophenyl)(4-fluorophenyl)methanone
		
    
		
    
			
				Molecular Formula
			
				C11H9FN2OS
		
    
		
    
			
				Molecular Weight
			
				236.2654
		
    
		
    
			
				InChI
			
				InChI=1/C11H9FN2OS/c12-8-3-1-7(2-4-8)9-6-16-11(14-9)5-10(13)15/h1-4,6H,5H2,(H2,13,15)
		
    
		
    
			
				CAS Registry Number
			
				342-25-6
		
    
		
    
			
				EINECS
			
				206-441-7
		
    
		
    
			
				Molecular Structure
			
				342-25-6 2,4'-Difluorobenzophenone
				
    
					 
    
			    		
		
    
		
    
			
				Density
			
				1.348g/cm3
		
    
		
    
			
				Melting point
			
				22-24℃
		
    
		
    
			
				Boiling point
			
				443.7°C at 760 mmHg
		
    
		
    
			
				Refractive index
			
				1.605
		
    
		
    
			
				Flash point
			
				222.1°C
		
    
		
    
			
				Vapour Pressur
			
				4.55E-08mmHg at 25°C
		
    
	    

    

    		
                    
    
                    
    
                      
                    
    
                  
    		
              
    
              
    
                
              
    
            
    		
          
    

        
    		
      
    
    
    		
  
    

    


    


    
      
    
        
    
          
    
            HOME  |       COMPANY      |  PRODUCTS  |       FACTORY  |       ORDER  |       NEWS  |       CONTACT US        |  中文版   【Admin】
    
              Copyright(C)2014,Taizhou keyan Fine Chemical Co.,ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice