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Methylparaben

CAS99-76-3

MFC8H8O3

MW152.15

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  • Mass

    MS-NW-1511          
    methyl p-hydroxybenzoate
    C8H8O3              (Mass of molecular ion:    152)
    

       Source Temperature: 260 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       3.3
          18.0       1.6
          28.0       2.0
          29.0       1.9
          37.0       1.1
          38.0       3.7
          39.0      16.5
          50.0       1.9
          51.0       1.3
          53.0       3.2
          61.0       1.0
          62.0       2.6
          63.0       6.2
          64.0       3.7
          65.0      23.4
          66.0       1.8
          74.0       1.0
          92.0       2.8
          93.0      24.9
          94.0       1.9
          95.0       1.0
         121.0     100.0
         122.0       7.9
         123.0       1.6
         151.0       1.6
         152.0      35.1
         153.0       3.2
    

90 MHz in DMSO-d6


  • 1H NMR 89.56 MHz
    C8 H8 O3 0.042 g : 0.5 ml DMSO-d6
    methyl p-hydroxybenzoate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.3 B 7.837 C 6.880 D 3.803

         Hz     ppm     Int.
    

        925.19  10.331    260
        709.06   7.918     39
        706.56   7.890    248
        704.56   7.867     76
        699.69   7.813    113
        698.06   7.795    289
        697.75   7.791    289
        695.44   7.766     38
        695.06   7.761     37
        622.38   6.950     53
        620.00   6.923    300
        617.94   6.900     81
        615.75   6.876     24
        613.00   6.845     98
        611.44   6.828    234
        608.44   6.794     28
        340.63   3.804   1000
    

in CDCl3



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nujol mull



4880 A,200 M,powder