3-(4-methoxyphenyl)-2-propynoic acid(SALTDATA: FREE)(2227-57-8) IR1

Mass

MS-IW-3049          
3-(p-methoxyphenyl)propiolic acid
C10H8O3             (Mass of molecular ion:    176)

   Source Temperature: 130 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      18.0       2.7
      28.0       2.4
      38.0       1.0
      39.0       4.8
      44.0      27.3
      50.0       3.1
      51.0       4.3
      61.0       2.8
      62.0       8.2
      63.0      13.4
      64.0       1.0
      66.0       1.4
      74.0       3.9
      75.0       4.5
      76.0       1.4
      77.0       1.7
      86.0       1.2
      87.0       1.8
      88.0       3.0
      89.0      35.2
      90.0       3.1
      98.0       1.3
     101.0       3.4
     102.0       4.4
     103.0       1.9
     105.0       1.5
     116.0       1.6
     117.0      31.8
     118.0       3.0
     131.0       2.3
     132.0     100.0
     133.0      12.0
     148.0       1.9
     159.0       4.5
     176.0      13.8
     177.0       2.0
     178.0       2.1
     197.0       1.0
     210.0       2.7
     212.0       2.7