Arachidic acid

Mass

MS-NW-0329          
icosanoic acid
C20H40O2            (Mass of molecular ion:    312)

   Source Temperature: 200 °C
   Sample Temperature: 360 °C
   Direct, 75 eV

      14.0       1.2
      15.0       1.2
      16.0      10.6
      17.0      15.0
      18.0      27.0
      20.0       2.9
      26.0       5.4
      27.0      28.6
      28.0      62.1
      29.0       9.4
      30.0       4.5
      32.0       5.6
      34.0       1.6
      35.0       1.8
      36.0      14.7
      37.0       2.0
      38.0       5.3
      39.0      14.3
      40.0       3.1
      41.0      23.8
      42.0      17.5
      43.0      22.3
      44.0      34.7
      45.0       1.3
      48.0      39.4
      49.0       1.2
      50.0       5.8
      51.0       9.9
      52.0       2.8
      53.0       3.7
      54.0       4.9
      55.0      20.0
      56.0      11.2
      57.0      20.3
      58.0       1.3
      59.0       1.6
      60.0       5.5
      61.0       2.4
      62.0       2.9
      63.0       6.1
      64.0     100.0
      65.0       5.9
      66.0       4.9
      67.0       8.3
      68.0       4.8
      69.0      13.0
      70.0       7.0
      71.0       9.5
      72.0       1.5
      73.0       6.6
      74.0       4.4
      75.0       3.2
      76.0       3.4
      77.0      18.0
      78.0       5.9
      79.0       7.5
      80.0       2.0
      81.0       5.8
      82.0       5.0
      83.0       9.8
      84.0      37.8
      85.0       5.8
      86.0       1.4
      87.0       2.5
      88.0       2.2
      89.0       4.9
      90.0       3.8
      91.0      11.8
      92.0       4.9
      93.0       4.4
      94.0       3.2
      95.0       4.3
      96.0       3.6
      97.0       7.6
      98.0       8.9
      99.0       5.0
     100.0       3.2
     101.0       2.9
     102.0       1.5
     103.0       2.6
     104.0       2.9
     105.0      15.4
     106.0       9.6
     107.0       7.6
     108.0       2.2
     109.0       2.6
     110.0       1.9
     111.0       4.2
     112.0       2.9
     113.0       2.8
     114.0       7.0
     115.0      13.2
     116.0       4.8
     117.0       3.2
     118.0       3.8
     119.0       2.6
     119.5       1.0
     120.0       3.8
     121.0       1.7
     122.0       1.7
     123.0       1.6
     124.0       1.5
     125.0       2.2
     126.0       2.1
     127.0       5.9
     128.0      12.9
     129.0       4.5
     130.0       1.8
     131.0       1.6
     132.0       1.1
     133.0       1.8
     134.0       2.0
     135.0       1.6
     136.0       1.9
     137.0       2.2
     138.0       1.2
     139.0       1.6
     140.0       1.4
     141.0       4.1
     142.0       7.0
     143.0       2.4
     144.0      15.6
     145.0       3.1
     146.0       1.1
     147.0       1.1
     148.0       1.0
     149.0       1.5
     150.0       1.8
     151.0       2.1
     152.0       2.5
     153.0       2.8
     154.0       1.2
     155.0       1.8
     156.0       1.2
     157.0       1.5
     158.0       1.1
     159.0       1.1
     160.0       1.1
     163.0       1.1
     165.0       2.5
     166.0       2.3
     167.0       3.8
     168.0       2.9
     169.0       6.2
     170.0       9.7
     171.0       2.9
     172.0       2.9
     175.0       1.0
     176.0       1.5
     178.0       4.3
     179.0       3.5
     180.0       2.2
     181.0       1.5
     182.0       1.0
     184.0       1.1
     185.0       1.3
     186.0       1.6
     187.0       1.2
     188.0       3.1
     189.0       1.9
     191.0       1.8
     192.0       2.5
     193.0       1.3
     194.0       1.2
     195.0       1.2
     197.0       1.0
     200.0       1.0
     201.0       1.2
     202.0       7.0
     203.0       2.5
     204.0       1.9
     205.0       1.3
     206.0       1.5
     207.0       1.2
     208.0       1.5
     210.0       1.0
     211.0       2.4
     212.0       1.0
     213.0       1.2
     215.0       1.2
     216.0       1.1
     218.0       1.9
     219.0       1.3
     226.0       1.0
     228.0       1.0
     237.0       1.0
     239.0       2.2
     240.0       1.0
     252.0       1.2
     262.0       1.2
     268.0       3.7
     269.0       1.6

Assign. Shift(ppm) A 11. B 2.34 C 1.64 D 1.50 to 1.08 E 0.88

     Hz     ppm     Int.

    210.12   2.347     25
    112.71   1.259   1000
     78.70   0.879     43