6,7-二甲氧基香豆素(120-08-1)红外图谱(IR2)

Mass

MS-IW-0912          
6,7-dimethoxycoumarin
C11H10O4            (Mass of molecular ion:    206)

   Source Temperature: 130 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      50.0       1.3
      51.0       3.0
      53.0       1.1
      55.0       1.8
      59.0       1.1
      63.0       1.4
      69.0       6.9
      76.0       1.0
      77.0       2.3
      79.0       5.6
      89.0       1.7
      92.0       2.7
      95.0       1.0
     103.0       1.4
     105.0       1.2
     107.0       8.0
     117.0       1.8
     119.0       1.9
     120.0       3.7
     121.0       1.3
     133.0       1.0
     135.0       9.8
     145.0       2.8
     148.0       2.1
     149.0       3.3
     163.0      17.7
     164.0       2.3
     178.0      12.9
     179.0       1.4
     190.0       1.0
     191.0      39.7
     192.0       6.1
     206.0     100.0
     207.0      12.0
     208.0       1.4

Assign. Shift(ppm) A 7.62 B 6.862 C 6.836 D 6.28 E *1 3.949 F *1 3.922

     Hz     ppm     Int.

    687.75   7.680    131
    678.38   7.575    152
    614.69   6.864    301
    612.31   6.837    278
    610.06   6.812     41
    567.13   6.333    188
    557.69   6.228    160
    358.75   4.006     42
    353.75   3.950   1000
    351.31   3.923    970
    347.69   3.883     43
    346.94   3.874     36
    346.44   3.869     32
    345.56   3.859     29