Mass

MS-NW-7395          
piperonyl isobutyrate
C12H14O4            (Mass of molecular ion:    222)

   Source Temperature: 210 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      27.0       3.9
      28.0       1.2
      39.0       4.3
      41.0       5.0
      43.0      16.8
      50.0       2.3
      51.0       9.6
      52.0       1.0
      53.0       1.1
      63.0       2.5
      65.0       5.2
      67.0       2.1
      71.0       4.1
      73.0       1.2
      76.0       3.7
      77.0      12.8
      78.0       2.0
      79.0       2.2
      93.0       4.6
     104.0       2.9
     105.0       5.4
     121.0       1.5
     122.0       2.5
     123.0       2.4
     134.0      13.4
     135.0     100.0
     136.0       9.4
     149.0       2.0
     150.0       2.0
     151.0       2.3
     152.0      25.7
     153.0       2.5
     222.0      28.3
     223.0       4.0

Assign. Shift(ppm) A 6.9 to 6.74 B 5.914 C 4.990 D 2.543 E 1.165

     Hz     ppm     Int.

    614.81   6.865     38
    611.88   6.833    133
    611.50   6.828    130
    610.44   6.816    206
    610.13   6.813    206
    608.06   6.790    250
    606.69   6.775    416
    529.75   5.916    932
    447.00   4.992    538
    236.38   2.640     54
    229.50   2.563     73
    222.44   2.484     67
    215.63   2.408     37
    107.69   1.203   1000
    105.56   1.179     80
    100.75   1.125    854