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MassMS-NW-0502 3,4-dinitrobenzoic acid C7H4N2O6 (Mass of molecular ion: 212)
Source Temperature: 230 °C Sample Temperature: 140 °C Direct, 75 eV
27.0 1.1 28.0 1.7 29.0 1.0 30.0 100.0 37.0 2.4 38.0 5.4 39.0 9.2 40.0 1.1 44.0 1.0 45.0 6.7 46.0 4.5 50.0 9.6 51.0 7.6 52.0 9.1 53.0 7.3 55.0 2.2 61.0 1.8 62.0 5.4 63.0 17.8 64.0 9.5 65.0 1.8 66.0 1.6 67.0 1.1 68.0 2.1 69.0 1.4 70.0 1.4 71.0 1.4 73.0 2.5 74.0 16.2 75.0 19.4 76.0 2.5 77.0 2.2 79.0 3.8 80.0 5.3 91.0 3.9 92.0 2.6 93.0 2.3 96.0 3.7 102.0 2.7 103.0 9.0 104.0 1.2 108.0 3.4 119.0 8.6 120.0 2.9 121.0 1.6 124.0 1.0 136.0 3.8 138.0 1.7 166.0 4.8 195.0 1.0 196.0 1.0 212.0 26.6 213.0 2.4
90 MHz in DMSO-d6
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1H NMR 89.56 MHz C7 H4 N2 O6 0.036 g : 0.5 ml DMSO-d6 3,4-dinitrobenzoic acid 
Assign. Shift(ppm)
A 14. B 8.584 C 8.429 D 8.346 J(B,C)=1.6HZ J(B,D)=0.5HZ J(C,D)=8.3HZ
Hz ppm Int.769.90 8.597 547 769.38 8.591 538 768.27 8.579 764 764.17 8.533 27 762.12 8.510 241 760.50 8.492 111 758.45 8.469 39 756.82 8.451 32 753.83 8.418 770 752.21 8.399 696 749.13 8.365 1000 748.62 8.359 797 740.84 8.272 220 740.33 8.267 171
in DMSO-d6
KBr disc
nujol mull
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