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网站主页CAS数据库列表 81-84-5更多图谱1,8-萘二甲酸酐(81-84-5)质谱(MS)

1,8-萘二甲酸酐

产品名称 1,8-萘二甲酸酐

CAS号81-84-5

分子式C12H6O3

分子量198.17

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  • Mass

    MS-NW-0628          
    1,8-naphthalenedicarboxylic anhydride
    C12H6O3             (Mass of molecular ion:    198)
    

       Source Temperature: 180 °C
       Sample Temperature: 160 °C
       Direct, 75 eV
    

          18.0       3.5
          28.0       2.4
          37.0       1.2
          38.0       1.2
          39.0       2.4
          49.0       1.1
          50.0       8.0
          51.0       2.8
          52.0       1.3
          61.0       3.2
          62.0       4.2
          63.0      16.2
          63.5       1.3
          73.0       1.1
          74.0      11.2
          75.0       6.8
          76.0      10.7
          77.0       6.0
          85.0       1.1
          86.0       2.7
          87.0       5.2
          88.0       1.1
          98.0       4.5
          99.0       4.2
         100.0       4.3
         114.0       1.1
         125.0       3.4
         126.0      78.0
         127.0       8.9
         154.0     100.0
         155.0      12.2
         198.0      59.9
         199.0       7.9
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C12 H6 O3 saturated in DMSO-d6
    1,8-naphthalenedicarboxylic anhydride
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.54 B 8.52 C 7.916 ASSIGNED BY C-H COSY.

         Hz     ppm     Int.
    

       3415.53   8.547    711
       3413.39   8.541    686
       3407.14   8.526    913
       3406.07   8.523   1000
       3399.35   8.506     30
       3397.98   8.503     28
       3397.37   8.501     28
       3397.06   8.501     28
       3396.76   8.500     28
       3396.30   8.499     31
       3395.84   8.498     28
       3171.23   7.936    472
       3163.45   7.916    715
       3155.67   7.897    419
    

in DMSO-d6



KBr disc



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