图谱信息 供应商 相关产品
网站主页 > CAS数据库列表  > 618-58-6更多图谱  >3,5-二溴苯甲酸(618-58-6)核磁图(13CNMR)

3,5-二溴苯甲酸

CAS号618-58-6

分子式C7H4Br2O2

分子量279.91

展开


  • Mass

    MS-IW-7695          
    3,5-dibromobenzoic acid
    C7H4Br2O2           (Mass of molecular ion:    278)
    

       Source Temperature: 150 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          18.0       2.2
          37.0       2.0
          38.0       1.3
          45.0       1.3
          49.0       1.0
          50.0       5.3
          53.0       1.1
          63.0       2.7
          64.0       2.0
          73.0       3.9
          74.0       9.5
          75.0      10.4
          76.0       3.3
          77.0       2.8
          78.0       2.6
          92.0       1.8
          99.5       3.3
         100.5       2.9
         117.0       1.0
         117.5       1.3
         130.5       1.0
         131.5       2.1
         140.0       1.0
         143.0       3.5
         145.0       3.2
         153.0       2.4
         154.0       3.5
         155.0       4.5
         156.0       3.2
         157.0       1.7
         199.0       1.7
         201.0       1.5
         233.0       6.7
         234.0       1.1
         235.0       9.6
         236.0       1.6
         237.0       6.2
         261.0      14.1
         262.0       2.5
         263.0      29.9
         264.0       3.5
         265.0      14.3
         266.0       1.9
         278.0      50.5
         279.0       5.7
         280.0     100.0
         281.0       8.2
         282.0      49.3
         283.0       4.4
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H4 Br2 O2 0.040 g : 0.5 ml DMSO-d6
    3,5-dibromobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.7 B 8.109 C 8.026

         Hz     ppm     Int.
    

       5465.82  13.677     69
       3243.08   8.115    250
       3241.16   8.110    504
       3239.45   8.106    298
       3208.68   8.029    948
       3206.97   8.025   1000
    

in DMSO-d6



KBr disc



nujol mull