3,4-Dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid(80866-93-9) IR2

Mass

MS-IW-0896          
2,2-dimethyl-4-oxo-3,4-dihydro-2H-pyran-6-carboxylic acid
C8H10O4             (Mass of molecular ion:    170)

   Source Temperature: 120 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      18.0       2.3
      27.0       3.2
      28.0       5.4
      29.0       4.9
      39.0       6.2
      40.0       2.7
      41.0      39.2
      42.0       3.0
      43.0       4.8
      45.0       1.6
      53.0       2.2
      55.0       9.0
      56.0     100.0
      57.0      33.0
      58.0       1.4
      67.0       2.0
      69.0      78.1
      70.0       3.3
      83.0       2.9
      87.0       1.7
      96.0      11.7
      97.0       2.2
     115.0      22.5
     116.0       1.0
     125.0      43.6
     126.0       3.6
     152.0       1.0
     155.0       4.0
     170.0      37.3
     171.0       5.2