2-hydroxy-3-methyl-1,4-naphthoquinone(483-55-6) IR1

Mass

MS-IW-6409          
2-hydroxy-3-methyl-1,4-naphthoquinone
C11H8O3             (Mass of molecular ion:    188)

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

      18.0       1.2
      27.0       1.9
      39.0       1.5
      50.0       6.1
      51.0       5.9
      52.0       1.2
      53.0       1.5
      55.0       2.9
      62.0       1.1
      63.0       2.0
      65.0       1.0
      65.5       1.0
      66.0       3.1
      74.0       3.2
      75.0       3.5
      76.0      11.6
      77.0      15.6
      78.0       2.5
      83.0       1.6
      88.0       1.0
      89.0       1.4
     102.0       2.4
     103.0       7.8
     104.0      11.2
     105.0      18.3
     106.0       1.6
     114.0       2.8
     115.0       3.8
     131.0      28.8
     132.0      29.5
     133.0       5.8
     159.0       5.0
     160.0      27.3
     161.0       3.1
     187.0       1.1
     188.0     100.0
     189.0      12.4
     190.0       1.3