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MS-NW-2166 2,3,4-trihydroxybenzoic acid C7H6O5 (H2O) (Mass of molecular ion: 170)
Source Temperature: 200 °C Sample Temperature: 140 °C Direct, 75 eV
17.0 5.2 18.0 25.1 26.0 1.0 27.0 1.9 28.0 3.8 29.0 3.7 37.0 2.6 38.0 4.6 39.0 13.4 40.0 5.3 41.0 1.0 42.0 3.3 43.0 2.1 44.0 5.3 45.0 2.0 48.0 1.0 49.0 1.2 50.0 3.9 51.0 7.2 52.0 3.1 53.0 8.1 54.0 1.0 55.0 3.0 62.0 1.8 66.0 2.6 67.0 5.3 68.0 17.2 69.0 2.7 77.0 1.9 78.0 4.7 79.0 5.0 80.0 2.2 95.0 8.3 96.0 8.3 97.0 1.4 106.0 16.3 107.0 2.5 108.0 1.9 123.0 8.8 124.0 25.6 125.0 2.6 126.0 6.5 151.0 4.1 152.0 100.0 153.0 10.4 154.0 1.2 170.0 40.6 171.0 3.2
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H6 O5 0.038 g : 0.5 ml DMSO-d6 2,3,4-trihydroxybenzoic acid Assign. Shift(ppm)
A *1 11.4 B *1 9.8 C *1 8.5 D 7.208 E 6.397
Hz ppm Int.
3926.27 9.825 24 3413.09 8.541 28 2885.50 7.221 929 2881.10 7.210 28 2876.71 7.199 1000 2561.52 6.410 881 2558.11 6.401 28 2557.13 6.399 30 2552.73 6.388 941
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