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CAS No:1937-37-7 Direct Black 38
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disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

  • CAS No.: 1937-37-7
  • Weight: 781.72
  • Formula: C34H25N9Na2O7S2
  • Melting Point: 109-110°C
  • Place of Orign: Dezhou,Shandong,China

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  • Product Name.:disodium 4-amino-3-[[4'-[(2,4-diaminophenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
  • CAS No: 1937-37-7
  • Weight: 781.72
  • Formula: C34H25N9Na2O7S2
  • Melting Point: 109-110°C
  • Density: 1.61g/cm3
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