1,2-EPOXYBUTANE

Mass

MS-NW-0923          
2-ethyloxirane
C4H8O               (Mass of molecular ion:     72)

   Source Temperature: 290 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      14.0       2.6
      15.0       9.9
      18.0       2.2
      26.0       7.4
      27.0      46.9
      28.0       5.8
      29.0      22.3
      30.0       1.3
      31.0      21.4
      37.0       2.2
      38.0       4.3
      39.0      30.5
      40.0      20.0
      41.0      95.9
      42.0     100.0
      43.0       9.8
      44.0       3.5
      45.0       3.9
      50.0       1.0
      53.0       1.4
      55.0       1.0
      56.0       1.2
      57.0      21.4
      71.0      22.0
      72.0      22.0
      73.0       1.0

Assign. Shift(ppm) A 2.887 B 2.733 C 2.475 D 1.569 E 1.012 J(A,C)=2.7HZ, J(A,B)=4.0HZ, J(B,C)=-5.7HZ, J(A,D)=5.5HZ

     Hz     ppm     Int.

    268.00   2.993     52
    265.25   2.962     59
    264.00   2.948     86
    262.75   2.934     93
    261.31   2.918     96
    260.06   2.904    108
    258.81   2.890    152
    257.44   2.875     58
    256.13   2.860    164
    254.75   2.845     65
    253.50   2.831    101
    250.75   2.800    108
    249.25   2.784    255
    245.25   2.739    161
    244.25   2.728    365
    240.25   2.683    219
    225.06   2.513    335
    222.38   2.484    297
    220.00   2.457    219
    217.31   2.427    199
    156.50   1.748     39
    155.06   1.732     39
    151.44   1.691     33
    149.56   1.670     72
    148.06   1.654    174
    145.00   1.620     45
    142.06   1.587    181
    140.50   1.569    216
    140.19   1.566    215
    137.19   1.532     63
    136.50   1.525     63
    134.88   1.507    229
    132.88   1.484     98
    129.00   1.441     75
    127.69   1.426     87
     97.81   1.093    298
     96.94   1.083    547
     96.19   1.075    365
     90.19   1.008   1000
     89.31   0.998    491
     88.38   0.987    261
     83.19   0.929    162
     82.19   0.918    294
     80.88   0.904    187