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N,N'-Bis(4-ethoxycarbonyl phenyl)-N-benzylformamidine
  • Quality standard
  • Purpose
  • Packing
  • Term of validity
    Quality standard

       Apperence                       Light yellow to off-white crystalline powder             
       Melting Point                   117-121℃            
       Loss on drying                  ≤0.5%        
       Purity(GC)                       ≥98%   
      

    pH                               6-8

       Ash                              ≤0.5%

       Transmittance (by UV %)          ≥90 (10% Toluene) 425nm

                                         ≥90 (10% Toluene) 500nm

    Purpose

        Ultraviolet absorber
    Packing

       25kg,Fiber drum
      
    Term of validity

       One year

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