Product Name4-Methylphthalic anhydride
CAS19438-61-0
Molecular FormulaC9H6O3
Molecular Weight162.14
Mass
MS-IW-4852 4-methylphthalic anhydride C9H6O3 (Mass of molecular ion: 162)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
27.0 1.0 28.0 1.9 37.0 2.4 38.0 3.1 39.0 9.0 40.0 2.2 43.0 5.5 43.5 1.4 44.0 2.7 44.5 2.8 45.0 8.4 49.0 1.3 50.0 6.8 51.0 5.2 59.0 1.7 61.0 4.1 62.0 9.8 63.0 19.9 64.0 8.2 73.0 1.0 74.0 3.8 75.0 2.7 77.0 1.0 85.0 1.8 86.0 3.1 87.0 2.5 88.0 1.3 89.0 42.1 90.0 62.8 91.0 6.6 118.0 100.0 119.0 10.4 136.0 1.6 162.0 47.5 163.0 5.0
400 MHz in DMSO-d6
1H NMR | 399.65 MHz |
C9 H6 O3 | 0.037 g : 0.5 ml DMSO-d6 |
4-methylphthalic anhydride |
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Assign. Shift(ppm) |
Hz ppm Int.
3186.18 7.973 173 3178.67 7.954 225 3161.64 7.912 150 3160.90 7.910 238 3160.17 7.908 271 3159.44 7.906 246 3158.71 7.904 151 3128.12 7.828 132 3127.38 7.826 154 3126.65 7.824 146 3126.10 7.823 111 3120.42 7.808 98 3119.69 7.807 121 3118.96 7.805 116 3118.23 7.803 94 1013.83 2.537 1000 1009.98 2.528 43
KBr disc
nujol mull
4-Methylphthalic anhydride(19438-61-0) MS Atlas of Related Products