Mass

MS-IW-6626          
1-butyl-3-(p-ethoxyphenyl)urea
C13H20N2O2          (Mass of molecular ion:    236)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      27.0       3.3
      28.0       2.1
      29.0       5.5
      30.0      12.0
      31.0       1.4
      39.0       1.9
      41.0       4.9
      42.0       1.0
      43.0       3.2
      44.0       1.7
      45.0       1.0
      52.0       3.0
      53.0       3.4
      55.0       1.2
      56.0       2.3
      57.0       2.0
      63.0       1.0
      64.0       1.0
      65.0       2.3
      72.0       1.1
      73.0       1.0
      79.0       1.9
      80.0       6.5
      81.0       4.8
      92.0       1.1
     107.0       4.4
     108.0      74.0
     109.0      65.0
     110.0       4.9
     134.0       1.2
     135.0      14.1
     136.0       2.8
     137.0     100.0
     138.0       9.7
     163.0       9.4
     164.0       1.1
     180.0       5.7
     236.0      58.9
     237.0       9.6
     238.0       1.0