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网站主页CAS数据库列表 109-07-9更多图谱2-甲基哌嗪(109-07-9)核磁图(13CNMR)

2-甲基哌嗪

产品名称 2-甲基哌嗪

CAS号109-07-9

分子式C5H12N2

分子量100.16

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  • Mass

    MS-NW-8909          
    2-methylpiperazine
    C5H12N2             (Mass of molecular ion:    100)
    

       Source Temperature: 280 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       2.7
          18.0       2.7
          27.0       5.1
          28.0      29.8
          29.0      12.4
          30.0      32.8
          31.0       1.8
          39.0       3.9
          40.0       1.7
          41.0      11.1
          42.0      36.4
          43.0      26.9
          44.0     100.0
          45.0       3.0
          54.0       4.0
          55.0       2.1
          56.0      44.8
          57.0      48.3
          58.0      29.4
          59.0       3.4
          68.0       2.3
          69.0       2.3
          70.0       9.4
          71.0       8.8
          83.0       2.8
          84.0       3.0
          85.0      71.5
          86.0       3.8
          99.0       5.8
         100.0      15.2
         101.0       4.9
    

90 MHz in CDCl3

400 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H12 N2 0.050 g : 0.5 ml CDCl3
    2-methylpiperazine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 3.07 to 2.49 B 2.35 C 1.92 D 0.999

         Hz     ppm     Int.
    

        269.06   3.005     54
        267.50   2.987     67
        265.56   2.966    121
        262.69   2.934    137
        260.94   2.914    133
        260.00   2.904    148
        256.50   2.865    127
        253.69   2.833    534
        252.06   2.815    301
        249.00   2.781     96
        245.25   2.739    176
        242.69   2.710     96
        239.44   2.674     76
        238.69   2.666     79
        237.06   2.647     65
        235.94   2.635     40
        233.25   2.605     39
        231.06   2.580     33
        220.81   2.466     31
        218.56   2.441    107
        217.25   2.426     31
        209.13   2.336    114
        207.38   2.316    133
        198.13   2.213     35
        172.38   1.925   1000
         92.50   1.033    786
         89.06   0.995     39
         86.38   0.965    762
    


  • 1H NMR 399.65 MHz
    C5 H12 N2 0.046 g : 0.5 ml CDCl3
    2-methylpiperazine
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 2.95 B 2.90 C *1 2.89 D *2 2.823 E 2.743 F *2 2.707 G 2.346 J 1.96 K 1.001

         Hz     ppm     Int.
    

       1187.74   2.972     72
       1186.04   2.968     93
       1185.55   2.967     96
       1185.06   2.966     93
       1183.11   2.961     84
       1176.39   2.944    115
       1174.80   2.940    136
       1173.34   2.936    119
       1171.51   2.932    129
       1167.24   2.921    109
       1163.94   2.913    131
       1162.35   2.909     87
       1161.01   2.906     93
       1159.79   2.903     89
       1157.84   2.898     81
       1156.13   2.893    109
       1155.27   2.891    111
       1152.22   2.884    155
       1149.41   2.877    103
       1147.83   2.873    106
       1140.75   2.855    158
       1137.94   2.848     64
       1129.88   2.828    188
       1127.08   2.821    167
       1118.16   2.798    123
       1115.48   2.792    115
       1113.77   2.787     33
       1107.30   2.771     71
       1104.37   2.764     73
       1100.95   2.755     94
       1097.53   2.747    103
       1094.48   2.739     99
       1090.94   2.730    203
       1087.65   2.722    160
       1084.59   2.714     36
       1081.67   2.707     41
       1079.35   2.701    140
       1076.29   2.694    123
       1068.12   2.673     65
       1065.31   2.666     52
        947.88   2.372    184
        937.87   2.347    171
        935.91   2.342    171
        925.90   2.317    138
        783.20   1.960    229
        403.20   1.009   1000
        396.85   0.993    954
    

in CDCl3



KBr disc