2-甲基-1,3-环戊二酮

Mass

MS-NW-6706          
2-methyl-1,3-cyclopentanedione
C6H8O2              (Mass of molecular ion:    112)

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

      14.0       1.1
      15.0       1.9
      18.0       3.7
      25.0       1.5
      26.0      10.8
      27.0      30.2
      28.0      27.3
      29.0      10.5
      31.0       2.6
      37.0       1.7
      38.0       2.4
      39.0      11.4
      40.0       3.3
      41.0      15.0
      42.0       6.6
      43.0      18.4
      44.0       2.4
      50.0       2.6
      51.0       2.8
      52.0       2.1
      53.0       5.7
      54.0       3.9
      55.0      34.1
      56.0      48.5
      57.0      17.4
      58.0       1.0
      62.0       1.1
      63.0       1.3
      65.0       4.0
      66.0       5.7
      67.0       5.6
      68.0       1.1
      69.0      19.0
      70.0      11.8
      82.0       1.1
      83.0      34.7
      84.0       7.3
      85.0       6.2
      94.0       1.0
      97.0       3.6
     111.0      15.4
     112.0     100.0
     113.0       7.2

Assign. Shift(ppm) A 11.5 B 2.35 C 1.47

     Hz     ppm     Int.

    938.55   2.349    477
    586.68   1.468   1000