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对甲氧基肉桂酸异辛酯

产品名称 对甲氧基肉桂酸异辛酯

CAS号83834-59-7

分子式C18H26O3

分子量290.4

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  • Mass

    MS-IW-4187          
    2-ethylhexyl trans-4-methoxycinnamate
    C18H26O3            (Mass of molecular ion:    290)
    

       Source Temperature: 230 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          18.0       1.1
          29.0       1.6
          41.0       3.2
          43.0       2.7
          55.0       3.4
          56.0       1.5
          57.0       2.7
          69.0       1.8
          70.0       3.5
          77.0       1.9
          79.0       1.1
          83.0       1.5
          89.0       1.1
          90.0       1.6
         103.0       1.3
         118.0       2.4
         121.0       6.3
         132.0       1.8
         133.0       9.0
         134.0       9.3
         135.0       1.5
         147.0       1.1
         161.0      40.3
         162.0       4.8
         163.0       1.0
         177.0       4.5
         178.0     100.0
         179.0      13.5
         180.0       2.1
         290.0       8.7
         291.0       1.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C18 H26 O3 0.05 ml : 0.5 ml CDCl3
    2-ethylhexyl trans-4-methoxycinnamate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.634 B 7.468 C 6.888 D 6.318 E *1 4.12 F *1 4.11 G 3.809 J 1.642 K 1.41 L 1.35 M 1.32 N 0.93 P 0.91 J(A,D)=16.0 Hz J(E,F)=-11.0 Hz J(E,J)=5.7 Hz J(F,J)=6.0 Hz

         Hz     ppm     Int.
    

       3059.08   7.655    129
       3043.09   7.615    135
       2989.01   7.480    207
       2987.30   7.475     67
       2982.18   7.462     76
       2980.47   7.458    227
       2760.01   6.907     30
       2757.20   6.900    242
       2755.25   6.895     73
       2750.37   6.882     76
       2748.41   6.878    225
       2532.96   6.338    250
       2516.97   6.298    239
       1647.71   4.123    151
       1645.14   4.117    154
       1641.97   4.109    157
       1639.16   4.102    149
       1522.46   3.810   1000
        657.23   1.645     43
        651.25   1.630     37
        573.24   1.435     61
        570.92   1.429     31
        568.97   1.424     62
        566.89   1.419     63
        565.67   1.416     66
        562.38   1.408     71
        561.52   1.406     70
        559.33   1.400     60
        555.18   1.390     71
        551.88   1.381     33
        550.17   1.377     31
        547.85   1.371     49
        542.85   1.359     69
        541.38   1.355     60
        537.11   1.344    113
        531.49   1.330    141
        529.30   1.325    215
        524.78   1.314    163
        521.24   1.305     78
        518.92   1.299     65
        376.95   0.944    243
        369.51   0.925    534
        362.18   0.907    405
        355.22   0.889     97
    

in CDCl3



liquid film