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网站主页CAS数据库列表 645-66-9更多图谱十二酸酐(645-66-9)红外图谱(IR1)

十二酸酐

产品名称 十二酸酐

CAS号645-66-9

分子式C24H46O3

分子量382.62

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  • Mass

    MS-NW-2005          
    lauric anhydride
    C24H46O3            (Mass of molecular ion:    382)
    

       Source Temperature: 200 °C
       Sample Temperature: 170 °C
       Direct, 75 eV
    

          18.0       4.4
          27.0      19.1
          28.0       4.1
          29.0      25.7
          39.0      10.4
          40.0       2.1
          41.0      45.7
          42.0      13.2
          43.0      56.8
          44.0       1.9
          45.0       2.0
          53.0       3.4
          54.0       8.3
          55.0      48.6
          56.0      16.9
          57.0      45.2
          58.0       2.2
          59.0       1.7
          60.0      38.5
          61.0       7.4
          67.0       8.9
          68.0       8.0
          69.0      23.6
          70.0      15.8
          71.0      24.0
          72.0       1.5
          73.0      39.3
          74.0       3.5
          79.0       2.5
          80.0       1.9
          81.0       7.4
          82.0       6.4
          83.0      21.6
          84.0      33.4
          85.0      20.6
          86.0       1.6
          87.0       6.7
          88.0       1.1
          93.0       2.0
          94.0       1.6
          95.0       6.9
          96.0       5.8
          97.0      19.1
          98.0     100.0
          99.0       8.7
         100.0       1.1
         101.0       6.0
         102.0       1.2
         107.0       1.1
         109.0       4.0
         110.0       3.0
         111.0      13.8
         112.0      20.1
         113.0       2.4
         115.0       7.1
         116.0       1.0
         121.0       1.3
         123.0       1.0
         125.0       2.8
         126.0       3.0
         129.0      14.3
         130.0       4.0
         138.0       4.2
         139.0       1.9
         140.0       3.5
         141.0       1.8
         143.0       3.1
         144.0       1.8
         157.0       9.9
         158.0       1.7
         171.0       3.5
         182.0       2.2
         183.0      54.4
         184.0       7.3
         199.0       1.2
         200.0      13.3
         201.0       2.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C24 H46 O3 0.048 g : 0.5 ml CDCl3
    lauric anhydride
    ChemicalStructure
        Assign.     Shift(ppm)
    A 2.44 B 1.66 C 1.27 D 0.89

         Hz     ppm     Int.
    

        226.38   2.528     43
        225.50   2.518     39
        218.81   2.444    111
        211.31   2.360     87
        149.06   1.665     34
        148.38   1.657     36
        147.31   1.645     32
        127.06   1.419     31
        122.00   1.363     62
        113.25   1.265   1000
         84.06   0.939     57
         82.00   0.916     45
         81.31   0.908     44
         78.81   0.880    182
         72.75   0.813     38
    

in CDCl3



KBr disc