NSC 210(5325-75-7) IR2

Mass

MS-IW-0549          
4,4-dimethylheptanedioic acid
C9H16O4             (Mass of molecular ion:    188)

   Source Temperature: 170 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       1.0
      27.0       2.4
      28.0       1.4
      29.0       2.7
      39.0       2.1
      41.0      12.0
      42.0       1.1
      43.0       5.6
      45.0       2.5
      53.0       1.5
      55.0      11.2
      56.0       2.0
      57.0       1.4
      67.0       2.6
      69.0      40.2
      70.0       3.6
      71.0       2.4
      73.0      19.9
      74.0       1.9
      81.0       4.8
      82.0       1.4
      83.0       1.5
      85.0       4.3
      95.0       1.1
      97.0      75.2
      98.0       5.4
     109.0      10.1
     110.0       1.0
     114.0       1.6
     115.0     100.0
     116.0       7.1
     127.0      10.3
     137.0      12.9
     138.0       1.2
     153.0       1.0
     155.0      14.8
     156.0       1.3
     171.0       2.0