Butyl stearate

Mass

MS-NW-5517          
butyl octadecanoate
C22H44O2            (Mass of molecular ion:    340)

   Source Temperature: 260 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      18.0       1.7
      27.0       6.0
      28.0       3.8
      29.0      20.0
      31.0       1.6
      39.0       3.6
      41.0      31.8
      42.0       6.3
      43.0      36.5
      44.0       1.5
      45.0       1.0
      53.0       1.6
      54.0       2.7
      55.0      24.1
      56.0     100.0
      57.0      51.8
      58.0       2.7
      59.0       1.1
      60.0      21.7
      61.0      15.0
      67.0       4.1
      68.0       3.0
      69.0      14.3
      70.0       5.0
      71.0      16.1
      72.0       1.2
      73.0      24.5
      74.0       2.9
      79.0       1.0
      81.0       3.9
      82.0       3.0
      83.0      11.1
      84.0       6.7
      85.0       9.6
      86.0       1.0
      87.0       4.8
      95.0       3.8
      96.0       2.3
      97.0       8.6
      98.0      12.3
      99.0       3.0
     101.0       6.6
     102.0       1.2
     109.0       2.3
     110.0       1.1
     111.0       5.0
     112.0       3.2
     113.0       1.6
     115.0       4.3
     116.0      11.6
     117.0       6.1
     121.0       1.0
     123.0       1.3
     125.0       2.5
     127.0       1.0
     129.0      18.2
     130.0       2.0
     139.0       1.6
     143.0       2.3
     153.0       1.0
     157.0       1.8
     171.0       3.0
     185.0       5.9
     186.0       1.0
     199.0       1.5
     213.0       2.8
     227.0       1.7
     229.0       1.2
     239.0       8.2
     240.0       1.6
     241.0       3.2
     255.0       1.0
     256.0       4.2
     257.0      12.9
     258.0       2.4
     267.0       7.9
     268.0       1.7
     284.0       4.5
     285.0      12.7
     286.0       2.6
     312.0       2.7
     340.0       4.0
     341.0       1.1

Assign. Shift(ppm) A 4.068 B 2.29 C 1.73 to 1.33 D 1.26 E 0.93 F 0.88

     Hz     ppm     Int.

    364.38   4.069     60
    357.94   3.997     30
    205.13   2.291     30
    118.56   1.324     39
    112.69   1.259   1000
     90.06   1.006     31
     89.44   0.999     31
     83.56   0.934     85
     82.00   0.916     33
     78.81   0.880     58