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网站主页CAS数据库列表 112-61-8更多图谱硬酯酸甲酯(112-61-8)核磁图(13CNMR)

硬酯酸甲酯

产品名称 硬酯酸甲酯

CAS号112-61-8

分子式C19H38O2

分子量298.5

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  • 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
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C19 H38 O2 0.039 g : 0.5 ml CDCl3
    methyl stearate
    ChemicalStructure
        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
    

in CDCl3



CCl4 solution



KBr disc



liquid film



nujol mull



4880 A,200 M,powder