Isovanillin

Mass

MS-NW-4902          
3-hydroxy-4-methoxybenzaldehyde
C8H8O3              (Mass of molecular ion:    152)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       2.9
      18.0       1.3
      26.0       1.7
      27.0       8.3
      28.0       4.2
      29.0       5.2
      31.0       1.8
      37.0       1.7
      38.0       3.1
      39.0       7.5
      41.0       3.6
      49.0       1.1
      50.0       5.6
      51.0      11.2
      52.0      11.5
      53.0       9.1
      54.0       1.0
      55.0       4.4
      61.0       1.5
      62.0       2.8
      63.0       5.4
      64.0       1.3
      65.0       8.5
      66.0       1.0
      67.0       3.4
      77.0       5.1
      79.0       5.3
      80.0       4.8
      81.0      26.7
      82.0       1.6
      91.0       1.2
      93.0       2.5
      95.0       2.5
     108.0       8.0
     109.0      19.0
     110.0       1.4
     119.0       1.4
     123.0      14.7
     124.0       2.1
     136.0       2.0
     137.0       5.8
     151.0      93.8
     152.0     100.0
     153.0       9.1
     154.0       1.0

Assign. Shift(ppm) A 9.827 B 7.440 C 7.417 D 6.968 E 6.12 F 3.968 J(B,C)=1.9HZ. J(C,D)=8.8HZ.

     Hz     ppm     Int.

    880.22   9.829    255
    670.61   7.488     35
    668.63   7.466    145
    667.24   7.451    215
    665.48   7.431    194
    661.82   7.390    165
    659.84   7.368     87
    627.83   7.011    132
    619.12   6.913     90
    547.85   6.118     75
    355.44   3.969   1000