4-BROMO-2,3,5,6-TETRAMETHYLBENZOICACID(3360-64-3) IR1

Mass

MS-IW-8067          
4-bromo-2,3,5,6-tetramethylbenzoic acid
C11H13BrO2          (Mass of molecular ion:    256)

   Source Temperature: 140 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      17.0       2.2
      18.0      11.4
      27.0       2.6
      28.0       2.1
      39.0       8.7
      40.0       1.2
      41.0       3.9
      43.0       5.6
      44.0       3.5
      50.0       2.0
      51.0      10.2
      52.0       2.4
      53.0       4.2
      55.0       1.2
      57.5       1.7
      58.0       2.0
      62.0       1.4
      63.0       5.8
      63.5       1.4
      64.0      15.8
      64.5       3.8
      65.0      10.1
      66.0       3.2
      67.0       1.1
      71.0       1.1
      72.0       1.3
      74.0       1.5
      75.0       2.0
      76.0       1.2
      77.0       8.1
      78.0       4.5
      79.0       4.6
      80.0       1.3
      81.0       1.9
      87.0       1.1
      89.0       2.6
      91.0      20.3
      92.0       2.4
      93.0       2.3
     102.0       1.5
     103.0       3.7
     104.0       1.6
     105.0       9.2
     106.0       3.1
     107.0       1.4
     115.0      18.1
     116.0      11.9
     117.0      15.9
     118.0       3.3
     119.0       5.2
     120.0       3.5
     121.0       2.6
     127.0       2.0
     128.0       7.0
     129.0       7.7
     130.0       3.2
     131.0      56.6
     132.0      15.4
     133.0      19.3
     134.0       3.3
     147.0       1.1
     149.0       2.3
     159.0       8.4
     160.0       4.4
     161.0       1.3
     177.0      23.0
     178.0       7.2
     192.0       1.0
     197.0       2.8
     199.0       1.9
     210.0      10.5
     211.0      19.4
     212.0      18.4
     213.0      19.5
     214.0       8.5
     223.0       1.6
     225.0       2.0
     238.0      53.1
     239.0      15.8
     240.0      53.4
     241.0      20.6
     242.0       2.1
     243.0       5.6
     255.0       1.9
     256.0     100.0
     257.0      14.2
     258.0      98.0
     259.0      12.0
     260.0       1.0