2,3-二氢苯并呋喃-7-羧酸(35700-40-4)红外图谱(IR1)

Mass

MS-IW-8674          
2,3-dihydro-7-benzofurancarboxylic acid
C9H8O3              (Mass of molecular ion:    164)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       1.0
      28.0       1.4
      39.0       4.3
      45.0       2.1
      45.5       1.2
      50.0       1.3
      51.0       2.7
      52.0       1.0
      53.0       1.5
      59.0       3.1
      62.0       2.0
      63.0       4.8
      64.0       1.4
      65.0       7.1
      66.0       1.3
      73.5       1.8
      77.0       2.2
      78.0       1.4
      79.0       1.0
      89.0       7.3
      90.0      12.0
      91.0      17.6
      92.0       2.1
     102.0       1.0
     105.0       2.0
     106.0       7.1
     107.0       1.0
     117.0       1.4
     118.0      42.6
     119.0      17.2
     120.0       3.8
     133.0       2.9
     134.0       5.7
     135.0       1.7
     145.0       3.3
     146.0       1.6
     147.0      16.5
     148.0       1.7
     163.0       2.6
     164.0     100.0
     165.0      10.1
     166.0       1.4

Assign. Shift(ppm) A 12.6 B 7.591 C 7.425 D 6.880 E 4.604 F 3.193

     Hz     ppm     Int.

   5050.64  12.638    118
   3038.37   7.603    307
   3037.52   7.601    307
   3030.47   7.583    332
   3029.61   7.581    325
   2971.92   7.437    316
   2970.64   7.434    303
   2964.65   7.419    345
   2963.58   7.416    319
   2757.38   6.900    372
   2749.90   6.881    523
   2746.27   6.872     34
   2744.99   6.869     31
   2742.21   6.862    343
   1849.22   4.628    499
   1840.46   4.606   1000
   1831.70   4.584    535
   1285.10   3.216    339
   1276.33   3.194    633
   1267.57   3.172    325