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MassMS-KW-0513 2-amino-5-nitrobenzoic acid C7H6N2O4 (Mass of molecular ion: 182)
Source Temperature: 160 °C Sample Temperature: 200 °C Direct, 75 eV
17.0 1.5 18.0 7.3 26.0 1.0 27.0 3.2 28.0 9.7 29.0 1.1 30.0 6.3 37.0 3.2 38.0 7.1 39.0 16.4 40.0 3.5 41.0 7.8 42.0 1.2 44.0 3.6 44.5 1.0 45.0 3.0 50.0 3.0 51.0 7.5 52.0 22.4 53.0 16.8 54.0 3.9 55.0 1.2 61.0 4.4 62.0 11.8 63.0 38.5 64.0 12.5 65.0 14.3 66.0 2.7 67.0 1.3 68.0 2.0 74.0 2.1 75.0 4.5 76.0 1.3 77.0 2.4 78.0 7.6 79.0 7.2 80.0 30.4 81.0 3.5 88.0 1.6 89.0 5.7 90.0 45.0 91.0 14.0 92.0 3.4 106.0 27.0 107.0 4.3 108.0 17.5 109.0 1.5 117.0 1.4 118.0 6.0 119.0 4.0 134.0 26.3 135.0 2.7 136.0 6.0 137.0 3.5 138.0 1.3 148.0 6.1 152.0 9.8 164.0 75.7 165.0 8.7 166.0 4.8 182.0 100.0 183.0 9.1 184.0 1.2
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7H6N2O4 0.035 g : 0.5 ml DMSO-d6 2-amino-5-nitrobenzoic acid 
Assign. Shift(ppm)
A 8.612 B 8.081 C 7.90 D 6.887
Hz ppm Int.3444.34 8.616 1000 3441.41 8.609 996 3236.58 8.096 510 3233.65 8.089 499 3227.30 8.073 523 3224.37 8.066 507 3156.50 7.896 276 3155.52 7.894 277 2757.57 6.898 875 2748.30 6.875 837
in DMSO-d6
KBr disk
Nujol
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