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苯亚甲基双乙酸盐

产品名称 苯亚甲基双乙酸盐

CAS号581-55-5

分子式C11H12O4

分子量208.21

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  • Mass

    MS-NW-4068          
    benzylidene diacetate
    C11H12O4            (Mass of molecular ion:    208)
    

       Source Temperature: 280 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          14.0       1.6
          15.0       7.6
          27.0       1.1
          28.0       1.3
          29.0       1.1
          39.0       1.6
          42.0       2.1
          43.0     100.0
          44.0       2.2
          50.0       3.9
          51.0       9.6
          52.0       2.4
          61.0       1.0
          74.0       1.0
          76.0       1.0
          77.0      21.0
          78.0       5.5
          79.0      10.9
         105.0      56.9
         106.0      13.8
         107.0      41.9
         108.0       3.4
         123.0       2.8
         148.0       1.7
         149.0       6.3
         165.0       9.5
         166.0       5.2
         208.0       1.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C11 H12 O4 0.043 g : 0.5 ml CDCl3
    benzylidene diacetate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.682 B 7.62 to 7.30 C 2.112

         Hz     ppm     Int.
    

        688.00   7.683    104
        672.25   7.507     23
        670.50   7.487     25
        669.31   7.474     54
        667.81   7.457     36
        667.19   7.450     34
        666.50   7.442     41
        664.81   7.424     92
        663.56   7.410     42
        661.75   7.389     54
        659.75   7.367     26
        657.75   7.345     38
        189.19   2.113   1000
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder