4,4'-AZODIBENZOIC ACID DIETHYL ESTER(7250-68-2) IR1

Product Name4,4'-AZODIBENZOIC ACID DIETHYL ESTER

CAS 7250-68-2

Molecular FormulaC18H18N2O4

Molecular Weight326.35

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4,4'-AZODIBENZOIC ACID DIETHYL ESTER(7250-68-2) IR1
Mass

MS-IW-8670          
diethyl azobenzene-4,4'-dicarboxylate
C18H18N2O4          (Mass of molecular ion:    326)

   Source Temperature: 170 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      18.0       2.0
      28.0       1.3
      29.0       3.6
      50.0       1.7
      65.0       8.9
      75.0       3.5
      76.0       7.7
      77.0       2.2
      93.0       1.9
     103.0      23.0
     104.0      12.0
     105.0       1.7
     118.0       4.4
     121.0      11.5
     122.0       1.1
     149.0     100.0
     150.0      10.2
     151.0       1.4
     152.0       1.7
     177.0      19.1
     178.0       2.1
     253.0       1.8
     281.0      11.0
     282.0       2.1
     326.0      33.9
     327.0       7.2
     328.0       1.0

400 MHz in CDCl3

4,4'-AZODIBENZOIC ACID DIETHYL ESTER(7250-68-2) IR1

¹H NMR	399.65 MHz
C₁₈ H₁₈ N₂ O₄	0.036 g : 0.5 ml CDCl₃
diethyl azobenzene-4,4'-dicarboxylate

    Assign.     Shift(ppm)

      A             8.207
      B             7.976
      C             4.422
      D             1.430

     Hz     ppm     Int.

   3286.74   8.225     73
   3284.79   8.220    409
   3282.84   8.215    139
   3277.95   8.203    158
   3276.00   8.198    491
   3274.05   8.193     93
   3193.60   7.991     89
   3191.77   7.987    490
   3189.82   7.982    150
   3184.94   7.970    139
   3182.98   7.965    405
   3181.03   7.960     75
   1778.20   4.450    142
   1771.12   4.432    445
   1763.92   4.414    460
   1756.84   4.396    151
    578.86   1.449    490
    571.78   1.431   1000
    564.58   1.413    483

in CDCl3