2-Methylcinnamic acid(2373-76-4) IR1

Product Name2-Methylcinnamic acid

CAS 2373-76-4

Molecular FormulaC10H10O2

Molecular Weight162.19

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Mass

MS-IW-9645          
trans-2-methylcinnamic acid
C10H10O2            (Mass of molecular ion:    162)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       4.2
      27.0       2.9
      28.0       2.1
      38.0       1.8
      39.0      14.5
      40.0       1.2
      41.0       2.1
      45.0       2.3
      47.0       1.0
      50.0       4.6
      51.0       9.8
      52.0       2.9
      53.0       1.6
      55.0       1.2
      57.0       3.6
      57.5      13.1
      58.0       7.3
      58.5       2.9
      61.0       1.0
      62.0       3.8
      63.0      10.9
      64.0       2.3
      65.0      13.8
      66.0       2.0
      69.0       1.0
      72.0       1.4
      72.5       1.8
      74.0       2.4
      75.0       3.1
      76.0       2.1
      77.0       6.6
      78.0       2.4
      79.0       2.2
      80.0       8.1
      80.5       1.4
      86.0       1.2
      87.0       1.4
      88.0       1.0
      89.0       9.2
      90.0       2.1
      91.0      30.8
      92.0       3.1
     102.0       3.6
     103.0      11.8
     104.0       1.3
     105.0       7.0
     113.0       1.2
     114.0       2.2
     115.0      79.9
     116.0     100.0
     117.0      76.0
     118.0       7.6
     119.0       5.2
     120.0       2.4
     127.0       4.4
     133.0       5.7
     134.0       2.3
     143.0       1.4
     144.0      39.9
     145.0      31.0
     146.0       3.5
     147.0      49.7
     148.0       5.2
     161.0       7.3
     162.0      73.9
     163.0       8.6

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₀H₁₀O₂	0.039 g : 0.5 ml DMSO-d₆
trans-2-methylcinnamic acid

    Assign.     Shift(ppm)

     A          12.5
     B           7.840
     C           7.695
     D           7.302
     E           7.25
     F           6.434
     G           2.392

     Hz     ppm     Int.

   4988.69  12.479     16
   3142.44   7.861    187
   3126.50   7.821    197
   3079.97   7.705    126
   3072.28   7.685    121
   2929.77   7.329     41
   2922.44   7.311    115
   2916.39   7.295    119
   2915.29   7.293    122
   2904.67   7.266    208
   2895.88   7.244    141
   2888.18   7.225     43
   2579.71   6.453    255
   2563.96   6.414    241
   1018.66   2.549      7
    956.20   2.392   1000
    891.90   2.231      6
    771.92   1.931      4

in DMSO-d6