4-Acetylbenzoic acid

Mass

MS-NW-8181          
p-acetylbenzoic acid
C9H8O3              (Mass of molecular ion:    164)

   Source Temperature: 180 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       1.1
      18.0       2.9
      28.0       1.2
      39.0       4.4
      43.0      13.5
      50.0       4.9
      51.0       4.4
      52.0       1.2
      53.0       1.0
      63.0       1.1
      65.0      24.2
      66.0       1.8
      74.0       2.2
      75.0       3.9
      76.0       4.8
      77.0       2.6
      91.0       2.0
      93.0       3.7
     103.0       2.0
     104.0       2.9
     105.0       1.3
     119.0       1.2
     121.0      28.1
     122.0       2.4
     147.0       2.6
     149.0     100.0
     150.0       8.9
     151.0       1.0
     164.0      27.8
     165.0       2.8

Assign. Shift(ppm) A 13.3 B 8.07 C 2.644

     Hz     ppm     Int.

    723.05   8.074   1000
    236.91   2.646    801
    231.25   2.583     26