1,4-二甲氧基-2-硝基苯

Mass

MS-NW-1679          
1,4-dimethoxy-2-nitrobenzene
C8H9NO4             (Mass of molecular ion:    183)

   Source Temperature: 240 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       5.5
      18.0       1.2
      26.0       1.8
      27.0       1.2
      28.0       3.7
      29.0       1.7
      30.0       8.5
      37.0       1.4
      38.0       2.3
      39.0       6.4
      41.0       1.4
      50.0       6.0
      51.0      17.1
      52.0      10.1
      53.0      14.0
      54.0       1.6
      55.0       1.4
      59.0       1.5
      61.0       2.0
      62.0       5.4
      63.0      12.0
      64.0       9.3
      65.0       4.1
      66.0       3.6
      67.0       1.3
      68.0       1.0
      69.0       8.3
      74.0       2.2
      75.0       2.1
      76.0       4.6
      77.0      47.5
      78.0       5.2
      79.0      25.7
      80.0       5.3
      81.0       1.1
      82.0       2.0
      92.0      27.4
      93.0       5.3
      94.0       8.1
      95.0       5.2
     105.0       2.0
     106.0       1.0
     107.0      43.1
     108.0       6.6
     109.0      11.7
     110.0       7.3
     122.0      21.1
     123.0      24.8
     124.0       3.4
     125.0       7.1
     136.0       9.9
     137.0       1.9
     153.0       3.1
     168.0       5.3
     183.0     100.0
     184.0       9.4
     185.0       1.2

Assign. Shift(ppm) A 7.378 B 7.11 C 7.05 D *1 3.914 E *1 3.812 J(A,B)=2.6 HZ. J(A,C)=0.9 HZ. J(B,C)=9.1 HZ. CONFIRMED BY LAOCN PROGRAM.

     Hz     ppm     Int.

    662.63   7.399     66
    661.75   7.389     68
    660.06   7.371     86
    659.19   7.361     86
    644.69   7.199     30
    635.56   7.097    171
    632.94   7.068    255
    631.81   7.055    152
    350.50   3.914    993
    341.44   3.813   1000