Mass

MS-IW-9254          
(2,4,5,6-tetramethyl-m-phenylene)dimethylene diacetate
C16H22O4            (Mass of molecular ion:    278)

   Source Temperature: 160 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       2.0
      18.0       4.7
      27.0       1.5
      28.0       2.1
      29.0       1.2
      39.0       2.3
      41.0       5.1
      42.0       1.4
      43.0      38.9
      44.0       1.1
      45.0       2.7
      51.0       1.4
      53.0       2.9
      55.0       2.3
      60.0       2.7
      65.0       2.5
      67.0       1.4
      77.0       4.1
      78.0       1.1
      79.0       2.6
      91.0       9.6
      92.0       1.0
      93.0       1.3
     103.0       1.6
     105.0       8.4
     106.0       1.0
     107.0       1.3
     109.0       1.0
     115.0       5.8
     116.0       3.0
     117.0       5.8
     118.0       1.2
     119.0       7.2
     120.0       1.3
     121.0       1.3
     127.0       1.8
     128.0       7.5
     129.0      11.7
     130.0       4.4
     131.0       7.4
     132.0       2.1
     133.0       8.3
     134.0       1.6
     135.0       1.2
     141.0       1.8
     142.0       2.2
     143.0      12.9
     144.0       9.9
     145.0       5.6
     146.0       2.6
     147.0      22.1
     148.0       4.7
     157.0       3.5
     158.0     100.0
     159.0      58.1
     160.0      11.0
     161.0      50.9
     162.0       8.0
     163.0       4.4
     173.0       1.0
     174.0       6.3
     175.0      38.2
     176.0      29.9
     177.0       4.0
     203.0       1.4
     218.0      88.1
     219.0      25.3
     220.0       3.5
     278.0       6.4
     279.0       1.2