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2-Hydroxybenzimidazole

Product Name 2-Hydroxybenzimidazole

CAS615-16-7

MFC7H6N2O

MW134.14

¹³CNMR

Mass

MS-NW-6600          
2-hydroxybenzimidazole
C7H6N2O             (Mass of molecular ion:    134)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       1.7
      26.0       1.0
      27.0       1.6
      28.0       2.6
      37.0       1.4
      38.0       2.5
      39.0       2.2
      50.0       2.9
      51.0       6.9
      52.0      10.9
      53.0       5.0
      62.0       1.1
      63.0       3.0
      64.0       2.1
      65.0       1.1
      67.0       6.5
      76.0       1.3
      77.0       1.4
      78.0       6.5
      79.0      19.4
      80.0       2.2
     105.0      11.8
     106.0      26.2
     107.0       2.0
     133.0       4.2
     134.0     100.0
     135.0       8.4

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₇ H₆ N₂ O	0.037 g : 0.5 ml DMSO-d₆
2-hydroxybenzimidazole

    Assign.     Shift(ppm)

      A            10.65
      B          6.98 to 6.94

     Hz     ppm     Int.

   4256.61  10.651    337
   2791.09   6.984     96
   2788.71   6.978     78
   2786.51   6.973    177
   2781.93   6.961   1000
   2779.55   6.955    927
   2777.72   6.951    271
   2774.97   6.944    163
   2772.41   6.938     62
   2770.21   6.932     98
   2768.01   6.927     26

in DMSO-d6

KBr disc

nujol mull

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