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MassMS-NW-9207 diammonium phthalate C8H12N2O4 (Mass of molecular ion: 200)
Source Temperature: 240 °C Sample Temperature: 150 °C Direct, 75 eV
16.0 32.0 17.0 52.4 18.0 18.4 27.0 2.4 28.0 6.9 37.0 9.0 37.5 1.6 38.0 16.0 39.0 20.4 40.0 1.1 44.0 3.5 45.0 4.9 47.0 3.5 49.0 4.4 50.0 45.8 51.0 17.7 52.0 11.3 53.0 5.3 61.0 2.1 62.0 1.6 63.0 4.0 64.0 3.9 65.0 33.5 66.0 5.3 73.0 4.3 74.0 17.4 75.0 12.4 76.0 68.8 77.0 40.0 78.0 4.7 92.0 4.7 93.0 24.1 94.0 4.6 104.0 65.0 105.0 96.8 106.0 7.4 121.0 14.4 122.0 100.0 123.0 8.0 148.0 25.8 149.0 27.4 150.0 2.5 166.0 14.4 167.0 2.5
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C8 H12 N2 O4 0.040 g : 0.5 ml DMSO-d6 diammonium phthalate 
Assign. Shift(ppm)
A 8.195 B 7.535
Hz ppm Int.3284.15 8.218 80 3283.39 8.216 100 3280.03 8.208 906 3276.52 8.199 811 3274.08 8.193 778 3270.72 8.184 953 3267.21 8.176 92 3266.60 8.174 82 3020.02 7.557 95 3019.26 7.555 113 3015.90 7.547 1000 3012.54 7.538 817 3010.10 7.532 829 3006.59 7.524 940 3003.23 7.515 88 3002.47 7.513 75
in DMSO-d6
KBr disc
nujol mull
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