Dimethyl terephthalate

Mass

MS-NW-6813          
dimethyl terephthalate
C10H10O4            (Mass of molecular ion:    194)

   Source Temperature: 260 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      15.0       3.9
      28.0       1.1
      38.0       1.1
      50.0       7.1
      51.0       1.3
      52.0       2.9
      59.0       1.6
      66.0       3.1
      74.0       2.9
      75.0       6.1
      76.0       8.2
      77.0       4.9
      92.0       2.0
     103.0      11.0
     104.0       6.5
     105.0       1.2
     119.0       3.4
     120.0       5.5
     135.0      18.2
     136.0       1.7
     163.0     100.0
     164.0      10.3
     165.0       1.1
     179.0       2.3
     194.0      28.5
     195.0       3.2

Assign. Shift(ppm) A 8.09 B 3.94

     Hz     ppm     Int.

    724.50   8.090    760
    353.00   3.942   1000