Isobutyric anhydride

Mass

MS-NW-0926          
isobutyric anhydride
C8H14O3             (Mass of molecular ion:    158)

   Source Temperature: 280 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       1.5
      26.0       1.5
      27.0      14.6
      28.0       2.9
      39.0       7.9
      40.0       2.2
      41.0      20.9
      42.0       5.4
      43.0      88.0
      44.0       2.9
      70.0       3.2
      71.0     100.0
      72.0       4.5
      73.0       1.7

Parameter ppm Hz D(A) 2.661 D(B) 1.235 J(A,B) 7.17

     Hz     ppm     Int.

    812.79   2.709     28
    805.62   2.685     68
    798.44   2.661     92
    791.27   2.638     72
    784.11   2.614     31
    374.06   1.247   1000
    366.89   1.223    966