2-Methylcinnamic acid(2373-76-4) 1H NMR
Product Name2-Methylcinnamic acid
CAS2373-76-4
Molecular FormulaC10H10O2
Molecular Weight162.19
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MassMS-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
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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
KBr disc
nujol mull
