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WebSite > CAS DataBase List >  38489-74-6More Spectrum > (2E)-3-(2,5-Dimethoxyphenyl)-2-propenoic acid(38489-74-6)IR2

38489-74-6

(2E)-3-(2,5-Dimethoxyphenyl)-2-propenoic acid

Product Name (2E)-3-(2,5-Dimethoxyphenyl)-2-propenoic acid

CAS38489-74-6

MFC11H12O4

MW208.21

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  • 38489-74-6_ms_1
    Mass

    MS-NW-9863          
    trans-2,5-dimethoxycinnamic acid
    C11H12O4            (Mass of molecular ion:    208)
    

       Source Temperature: 170 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          18.0       1.7
          28.0       1.1
          39.0       1.3
          50.0       1.0
          51.0       3.2
          53.0       1.2
          54.0       1.0
          55.0       1.2
          63.0       1.8
          65.0       2.5
          66.0       1.0
          77.0       7.2
          78.0       2.4
          79.0       1.5
          88.0       2.1
          89.0       2.0
          91.0      16.5
          92.0       1.8
          93.0       1.6
         105.0       4.2
         106.0       1.8
         109.0       1.4
         118.0       1.2
         119.0       1.6
         121.0      18.9
         122.0       1.8
         123.0       1.3
         133.0       8.7
         134.0       3.2
         137.0       1.0
         147.0       2.1
         148.0       7.1
         149.0       8.7
         150.0       1.1
         161.0      11.6
         162.0       2.2
         165.0       1.3
         175.0       2.9
         176.0      18.6
         177.0      50.4
         178.0       5.9
         191.0       1.4
         193.0       4.2
         208.0     100.0
         209.0      12.1
         210.0       1.8
    

400 MHz in CDCl3

  • 38489-74-6_1hnmr_0

    1H NMR 399.65 MHz
    C11 H12 O4 0.035 g : 0.5 ml CDCl3
    trans-2,5-dimethoxycinnamic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11. B 8.085 C 7.063 D 6.935 E 6.859 F 6.524 G *1 3.848 J *1 3.794 J(B,F)=16.1HZ

         Hz     ppm     Int.
    

       3239.67   8.107    152
       3223.55   8.066    160
       2824.43   7.068    137
       2821.31   7.060    154
       2778.82   6.954     71
       2775.71   6.946     60
       2769.84   6.931    115
       2766.73   6.923    108
       2744.93   6.869    191
       2735.77   6.846    112
       2615.25   6.544    177
       2599.13   6.504    167
       1538.23   3.849    884
       1516.44   3.795   1000
    

in CDCl3

  • 38489-74-6_13cnmr_0

KBr disc

  • 38489-74-6_ir1_2

nujol mull

  • 38489-74-6_ir2_1

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