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MassMS2014-05113CW isophthalaldehydic acid C8H6O3 (Mass of molecular ion: 150)
Source Temperature: 250 °C Sample Temperature: 20 °C Direct, 70 eV
17.0 1.2 18.0 5.6 28.0 2.0 29.0 1.1 37.0 1.0 38.0 1.7 39.0 4.1 45.0 1.1 50.0 9.3 51.0 12.2 52.0 2.0 53.0 1.1 63.0 1.0 65.0 21.2 66.0 2.0 73.0 1.2 74.0 5.7 75.0 5.8 76.0 6.6 77.0 14.8 78.0 1.5 93.0 6.0 103.0 2.1 104.0 1.2 105.0 14.0 106.0 1.2 121.0 29.4 122.0 3.0 133.0 7.2 134.0 1.1 149.0 100.0 150.0 70.6 151.0 6.6
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C8 H6 O3 0.035 g : 0.5 ml DMSO-d6 isophthalaldehydic acid 
Assign. Shift(ppm)
A 13. B 10.128 C 8.477 D 8.273 E 8.167 F 7.765
Hz ppm Int.4047.85 10.129 1000 3389.89 8.483 249 3388.18 8.478 447 3386.72 8.475 260 3312.01 8.288 160 3310.55 8.284 236 3309.08 8.280 153 3304.20 8.268 176 3302.98 8.265 259 3301.27 8.261 168 3269.53 8.181 156 3268.31 8.178 250 3266.85 8.175 150 3261.96 8.163 186 3260.50 8.159 263 3259.03 8.155 157 3111.33 7.786 213 3103.52 7.766 396 3095.95 7.747 186
KBr disk
nujol mull
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