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网站主页CAS数据库列表 142-90-5更多图谱甲基丙烯酸月桂酯(142-90-5)红外图谱(IR1)

甲基丙烯酸月桂酯

产品名称 甲基丙烯酸月桂酯

CAS号142-90-5

分子式C16H30O2

分子量254.41

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  • Mass

    MS-NW-5319          
    dodecyl methacrylate
    C16H30O2            (Mass of molecular ion:    254)
    

       Source Temperature: 280 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          26.0       1.0
          27.0      11.5
          28.0       1.6
          29.0      25.1
          31.0       1.0
          39.0      18.7
          40.0       5.6
          41.0     100.0
          42.0      18.5
          43.0      63.4
          44.0       2.4
          45.0       1.2
          53.0       3.1
          54.0       7.0
          55.0      56.7
          56.0      44.7
          57.0      43.2
          58.0       2.2
          59.0       2.4
          67.0       8.0
          68.0      11.4
          69.0      96.8
          70.0      44.8
          71.0      17.3
          74.0       1.9
          81.0       4.2
          82.0      11.4
          83.0      41.9
          84.0      25.7
          85.0       9.0
          86.0       2.6
          87.0      81.9
          88.0      17.0
          89.0       1.3
          95.0       1.9
          96.0       5.5
          97.0      31.6
          98.0      14.9
          99.0       2.0
         109.0       1.2
         110.0       2.8
         111.0      15.3
         112.0       7.9
         113.0       2.7
         124.0       1.4
         125.0       5.5
         126.0       3.8
         127.0       2.0
         139.0       1.7
         140.0       6.6
         141.0       1.4
         168.0       4.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C16 H30 O2 0.04 ml : 0.5 ml CDCl3
    dodecyl methacrylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.09 B 5.53 C 4.13 D 1.94 E 1.66 F 1.27 G 0.89

         Hz     ppm     Int.
    

        546.81   6.106     65
        545.81   6.095     82
        545.06   6.086     83
        544.06   6.075     67
        497.19   5.552     69
        495.56   5.534    103
        493.94   5.516     69
        376.94   4.209     63
        370.50   4.137    170
        364.06   4.065     93
        175.19   1.957    244
        174.19   1.945    316
        173.63   1.939    300
        172.63   1.928    242
        149.50   1.670     38
        147.44   1.647     35
        142.94   1.597     32
        142.63   1.593     32
        113.31   1.266   1000
         84.00   0.938     51
         81.25   0.908     40
         81.13   0.906     40
         78.88   0.881    152
         72.81   0.813     31
    

in CDCl3



liquid film



4880 A,200 M,liquid