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网站主页CAS数据库列表 81-08-3更多图谱2-磺基苯甲酸酐(81-08-3)质谱(MS)

2-磺基苯甲酸酐

产品名称 2-磺基苯甲酸酐

CAS号81-08-3

分子式C7H4O4S

分子量184.17

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  • Mass

    MS-NW-4855          
    o-sulfobenzoic cyclic anhydride
    C7H4O4S             (Mass of molecular ion:    184)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          17.0       1.0
          18.0       5.1
          28.0       4.8
          37.0       4.3
          38.0       8.7
          39.0       2.2
          44.0       1.5
          46.0       2.8
          48.0       1.6
          49.0       2.4
          50.0      48.4
          51.0       2.9
          52.0       1.6
          53.0       1.0
          61.0       1.3
          62.0       1.6
          63.0       5.5
          64.0       5.7
          69.0       1.6
          73.0       2.5
          74.0      11.7
          75.0       8.9
          76.0      93.7
          77.0       6.8
          92.0      16.2
          93.0       1.1
         104.0     100.0
         105.0       8.1
         120.0      45.5
         121.0       3.8
         184.0      32.8
         185.0       3.0
         186.0       1.9
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H4 O4 S 0.067 g : 0.5 ml DMSO-d6
    o-sulfobenzoic cyclic anhydride
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 7.872 B *1 7.708 C *2 7.56 D *2 7.51

         Hz     ppm     Int.
    

       3150.15   7.883    778
       3142.46   7.864    855
       3084.96   7.720    687
       3083.62   7.716    804
       3079.96   7.707    245
       3077.39   7.701    812
       3076.29   7.698    947
       3030.40   7.583    313
       3029.30   7.580    390
       3026.12   7.572    199
       3023.07   7.565    768
       3021.85   7.562    880
       3018.80   7.554    278
       3017.94   7.552    263
       3015.75   7.546    671
       3014.28   7.543    723
       3011.35   7.535    791
       3010.01   7.532    866
       3006.59   7.524    306
       3003.91   7.517    909
       3002.69   7.514   1000
       2996.34   7.498    388
       2995.48   7.496    410
       2992.31   7.488    168
       2991.21   7.485    116
    

KBr disc



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