Urethane

Mass

MS-NW-1668          
ethyl carbamate
C3H7NO2             (Mass of molecular ion:     89)

   Source Temperature: 250 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      14.0       1.6
      15.0       5.3
      16.0       5.9
      17.0       7.6
      18.0      28.5
      19.0       3.6
      26.0       5.1
      27.0      27.5
      28.0      10.3
      29.0      22.4
      30.0       2.6
      31.0      40.3
      42.0       1.9
      43.0      10.7
      44.0     100.0
      45.0      70.2
      46.0       9.3
      61.0       5.4
      62.0      84.4
      63.0       1.3
      71.0       1.1
      74.0      13.9
      89.0       4.6

Assign. Shift(ppm) A 4.8 B 4.113 C 1.255

     Hz     ppm     Int.

    379.44   4.237    131
    372.25   4.157    457
    365.19   4.078    480
    358.06   3.998    158
    119.44   1.334    499
    112.31   1.255   1000
    105.19   1.175    441