成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

ChemicalBook
English   Japanese   Germany   Korea

383-63-1

三氟乙酸乙酯(383-63-1)質(zhì)譜(MS)

產(chǎn)品名稱:三氟乙酸乙酯

CAS:383-63-1

分子式:C4H5F3O2

分子量: 142.08

InChI:InChI=1S/C4H5F3O2/c1-2-9-3(8)4(5,6)7/h2H2,1H3

InChIKey: STSCVKRWJPWALQ-UHFFFAOYSA-N

Smiles:C(OCC)(=O)C(F)(F)F

  • 圖譜
    Mass 

    MS-NW-2672          
ethyl trifluoroacetate
C4H5F3O2            (Mass of molecular ion:    142)


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


          15.0       2.1
      26.0       3.8
      27.0      24.8
      28.0      11.9
      29.0     100.0
      30.0       2.2
      31.0       1.4
      43.0       2.8
      47.0       1.7
      50.0       3.3
      51.0       2.5
      59.0       1.3
      69.0      42.9
      73.0       1.5
      78.0       1.2
      97.0       2.6
      99.0      13.3
     113.0       1.2
     127.0       3.5
     141.0       1.1

90 MHz in CDCl3

  • 圖譜

    1H NMR 89.56 MHz
    C4 H5 F3 O2 0.05 ml : 0.5 ml CDCl3
    ethyl trifluoroacetate
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A             4.414
      B             1.396
  

         Hz     ppm     Int.


        406.44   4.539    107
    399.25   4.458    327
    392.13   4.379    343
    385.00   4.299    125
    132.06   1.475    533
    124.94   1.396   1000
    117.75   1.315    477

in CDCl3

  • 圖譜

liquid film

  • 圖譜

  • 圖譜

×