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            3,4-Dihydroxy Benzaldehyde
            
        
            
          
            CAS NO: 139-85-5
            
          
            Structure: 
            
          
            Appearance: Gray Crystalline   Powder
            
          
            Content: 99%
            
          
            Loss on Drying: ≤1%
            
          
            Melting Point: 153-155°C