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3,3'-Dihydroxybenzidine

Product Name 3,3'-Dihydroxybenzidine

CAS2373-98-0

MFC12H12N2O2

MW216.24

¹³CNMR

Mass

MS-IW-6666          
4,4'-diamino-3,3'-biphenyldiol
C12H12N2O2          (Mass of molecular ion:    216)

   Source Temperature: 180 °C
   Sample Temperature: 210 °C
   Direct, 75 eV

      71.5       1.5
      79.0       1.3
      80.0       1.3
      93.5       2.6
      94.0       1.1
     108.0      10.9
     108.5       1.5
     109.0       1.5
     115.0       2.4
     126.0       1.0
     142.0       1.1
     143.0       1.9
     154.0       1.0
     170.0       1.8
     171.0       1.8
     172.0       1.2
     187.0      12.6
     188.0       1.9
     197.0       1.7
     198.0       1.2
     215.0       2.1
     216.0     100.0
     217.0      14.0
     218.0       1.3

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₂ H₁₂ N₂ O₂	0.041 g : 0.5 ml DMSO-d₆
4,4'-diamino-3,3'-biphenyldiol

    Assign.     Shift(ppm)

      A             9.0
      B             6.823
      C             6.714
      D             6.601
      E             4.5

     Hz     ppm     Int.

   3606.41   9.024     67
   2738.34   6.852     21
   2727.97   6.826    960
   2726.14   6.822    978
   2714.39   6.792     24
   2712.40   6.787     21
   2688.75   6.728    464
   2686.92   6.724    426
   2680.66   6.708    627
   2678.83   6.703    584
   2641.60   6.610   1000
   2633.67   6.590    741
   1785.74   4.469    168

in DMSO-d6

KBr disc

nujol mull

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