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                                 Products | 
                               
                              
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                                  Polyimide
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                                | 5, 9-Methano-1H-pyrano [3, 4-d] oxepin-1, - 3, 6, 8(4H)-tetrone,tetrahydro- | 
                               
                              
                                
                                  
                                    
                                        
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                                                | CAS Number: | 
                                                6053-46-9 | 
                                               
                                              
                                              
                                                | Molecular Formula: | 
                                                C10H8O6 | 
                                               
                                              
                                              
                                                | Molecular Weight: | 
                                                224.17 | 
                                               
                                              
                                              
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            |  Appearance | 
             White solid | 
         
        
            |  Melting Point | 
             ≥ 197 ℃ | 
         
        
            |  Water content | 
             ≤ 0.2 % | 
         
        
            |  Loss on drying | 
             ≤ 0.2 % | 
         
        
            |  Total Metal impurities | 
             ≤ 10 ppm | 
         
    
 
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