4，4′-Dimethyldioxane-1，3

Mass

MS-IW-3506          
4,4-dimethyl-1,3-dioxane
C6H12O2             (Mass of molecular ion:    116)

   Source Temperature: 210 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      15.0       4.7
      18.0       3.1
      26.0       2.0
      27.0      13.4
      28.0      19.8
      29.0      18.2
      30.0       3.7
      31.0      24.2
      38.0       1.4
      39.0      14.9
      40.0       3.3
      41.0      49.1
      42.0       6.7
      43.0     100.0
      44.0       6.1
      45.0       4.6
      46.0       3.1
      50.0       1.0
      51.0       1.2
      53.0       3.9
      55.0       7.0
      56.0      23.5
      57.0       8.3
      58.0      53.4
      59.0      81.6
      60.0       3.2
      61.0       1.4
      67.0       2.4
      68.0       2.9
      69.0      53.9
      70.0       3.6
      71.0      79.3
      72.0       6.2
      73.0       5.4
      74.0       1.1
      85.0       3.2
      86.0      40.4
      87.0       2.9
      89.0       3.2
     101.0      69.0
     102.0       3.8
     103.0       2.5
     115.0       4.6

Assign. Shift(ppm) A 4.875 B 3.889 C 1.658 D 1.295

     Hz     ppm     Int.

   1948.24   4.875    562
   1560.30   3.905    213
   1557.37   3.897     50
   1555.54   3.893    116
   1554.69   3.891    191
   1553.71   3.888    130
   1551.88   3.884     57
   1549.07   3.877    218
    668.33   1.673    151
    665.41   1.665     38
    662.72   1.659    161
    660.03   1.652     43
    657.10   1.645    147
    517.82   1.296   1000
    508.79   1.274     45
    501.46   1.255     22