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86-90-8

4-溴邻苯二甲酸酐(86-90-8)质谱(MS)

产品名称:4-溴邻苯二甲酸酐

CAS:86-90-8

分子式:C8H3BrO3

分子量: 227.01

InChI:InChI=1S/C8H3BrO3/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3H

InChIKey: BCKVHOUUJMYIAN-UHFFFAOYSA-N

Smiles:C1(=O)C2=C(C=C(Br)C=C2)C(=O)O1

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    Mass

    MS-IW-7437          
    4-bromophthalic anhydride
    C8H3BrO3            (Mass of molecular ion:    226)
    

       Source Temperature: 140 °C
       Sample Temperature: 110 °C
       Direct, 75 eV
    

          28.0       2.1
          36.0       1.2
          37.0      10.6
          37.5       3.6
          38.0       3.9
          49.0       4.6
          50.0       7.2
          51.0       4.1
          53.0       1.6
          60.0       1.0
          61.0       2.5
          62.0       1.3
          72.0       1.2
          73.0      12.0
          74.0      46.7
          75.0      79.8
          76.0       5.7
          77.0      12.7
          77.5       1.2
          78.0      12.1
          91.0       7.9
          92.0       7.7
         103.0       5.4
         104.0       1.1
         128.0       1.1
         130.0       1.2
         154.0      47.7
         155.0       4.0
         156.0      46.5
         157.0       3.1
         182.0     100.0
         183.0       8.0
         184.0      98.7
         185.0       7.6
         226.0      63.2
         227.0       5.7
         228.0      62.1
         229.0       5.7
    

parameter in DMSO-d6

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    1H NMR 300 MHz
    C8 H3 Br O3 0.041 g : 0.5 ml DMSO-d6
    4-bromophthalic anhydride
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 8.344 D(B) 8.188 D(C) 8.006 J(A,B) 1.7 J(A,C) 0.4 J(B,C) 7.9

         Hz     ppm     Int.
    

       2504.02   8.347    927
       2502.41   8.341    986
       2461.46   8.205    492
       2459.78   8.199    459
       2453.56   8.179    648
       2451.88   8.173    614
       2405.47   8.018   1000
       2397.57   7.992    749
    

KBr disc

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nujol mull

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