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网站主页CAS数据库列表 5748-42-5更多图谱4-(4-叔丁基苯基)苯甲酸(5748-42-5)质谱(MS)

4-(4-叔丁基苯基)苯甲酸

产品名称 4-(4-叔丁基苯基)苯甲酸

CAS号5748-42-5

分子式C17H18O2

分子量254.32

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  • Mass

    MS-KW-0266          
    4'-tert-butyl-4-biphenylcarboxylic acid
    C17H18O2            (Mass of molecular ion:    254)
    

       Source Temperature: 190 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          18.0       2.2
          29.0       1.2
          39.0       2.3
          41.0      10.3
          51.0       1.3
          57.0       1.8
          63.0       1.3
          75.0       1.1
          76.0       3.3
          77.0       3.3
          82.0       4.1
          82.5       3.1
          83.0       4.3
          83.5       1.3
          88.0       1.1
          89.0       2.1
          91.0       1.3
          97.0      15.2
          97.5       2.5
         103.0       1.3
         111.0       4.8
         115.0       2.2
         119.5       3.0
         127.0       1.2
         128.0       1.0
         139.0       1.0
         151.0       2.5
         152.0       6.7
         153.0       3.6
         154.0       1.6
         155.0       6.4
         165.0       6.5
         166.0       2.8
         167.0       5.2
         176.0       1.5
         177.0       1.4
         178.0       6.8
         179.0       3.1
         180.0       1.3
         181.0       2.3
         193.0       1.2
         194.0       1.6
         195.0       1.0
         199.0       1.1
         211.0      13.8
         212.0       2.2
         238.0       1.0
         239.0     100.0
         240.0      17.8
         241.0       1.9
         254.0      30.4
         255.0       5.7
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C17H18O2 0.038 g : 0.5 ml DMSO-d6
    4'-tert-butyl-4-biphenylcarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.0 B 8.040 C 7.780 D 7.655 E 7.501 F 1.313

         Hz     ppm     Int.
    

       3219.19   8.053    863
       3212.41   8.036    397
       3210.58   8.031   1000
       3114.23   7.790    983
       3105.62   7.769    799
       3064.95   7.667    761
       3056.34   7.645    965
       3002.49   7.511    974
       2993.88   7.489    734
    

in DMSO-d6



KBr disk



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