硬酯酸甲酯(112-61-8)红外图谱(IR1)

Mass

MS-NW-2128          
methyl stearate
C19H38O2            (Mass of molecular ion:    298)

   Source Temperature: 250 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0       1.8
      27.0       2.6
      28.0       1.1
      29.0       7.8
      39.0       1.7
      41.0      14.8
      42.0       3.1
      43.0      22.0
      54.0       1.1
      55.0      14.7
      56.0       3.2
      57.0      13.6
      59.0       3.2
      67.0       2.0
      68.0       1.0
      69.0       9.6
      70.0       1.8
      71.0       5.4
      73.0       1.2
      74.0     100.0
      75.0      22.8
      76.0       1.1
      81.0       1.7
      83.0       6.0
      84.0       2.8
      85.0       2.9
      87.0      63.2
      88.0       5.5
      95.0       1.4
      97.0       4.6
      98.0       3.2
     101.0       4.7
     111.0       2.0
     115.0       1.8
     116.0       1.0
     125.0       1.2
     129.0       5.6
     130.0       1.4
     143.0      14.5
     144.0       1.5
     157.0       1.5
     185.0       2.2
     199.0       4.8
     213.0       1.6
     227.0       1.0
     241.0       1.2
     255.0       7.8
     256.0       1.5
     267.0       4.2
     269.0       1.6
     270.0       1.3
     298.0      17.9
     299.0       3.9

Assign. Shift(ppm) A 3.662 B 2.28 C 1.61 D 1.48 to 1.11 E 0.88

     Hz     ppm     Int.

    327.94   3.662    313
    206.25   2.303     26
    198.63   2.218     22
    112.56   1.257   1000
     78.81   0.880     48