2,3,4,5-Tetrafluorobenzoic acid
Product Name 2,3,4,5-Tetrafluorobenzoic acid
CAS1201-31-6
MFC7H2F4O2
MW194.08
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MassMS-IW-4205 2,3,4,5-tetrafluorobenzoic acid C7H2F4O2 (Mass of molecular ion: 194)
Source Temperature: 240 °C Sample Temperature: 150 °C Reservoir, 75 eV
28.0 1.7 31.0 3.6 44.0 2.5 45.0 5.2 61.0 2.0 68.0 1.3 75.0 4.6 79.0 2.5 80.0 5.7 81.0 6.0 88.5 2.9 93.0 1.9 98.0 1.7 99.0 27.8 100.0 2.7 117.0 1.1 118.0 1.8 119.0 3.1 130.0 7.1 131.0 1.1 146.0 1.3 148.0 2.0 149.0 45.8 150.0 9.5 166.0 1.2 174.0 3.6 175.0 1.3 176.0 1.0 177.0 100.0 178.0 7.7 194.0 92.0 195.0 7.5
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H2 F4 O2 0.039 g : 0.5 ml CDCl3 2,3,4,5-tetrafluorobenzoic acid 
Assign. Shift(ppm)
A 11.8 B 7.705
Hz ppm Int.4709.39 11.784 248 3093.87 7.742 513 3091.48 7.736 570 3088.00 7.727 558 3085.62 7.721 977 3083.79 7.717 863 3083.42 7.716 875 3081.41 7.711 708 3079.76 7.707 670 3077.38 7.701 881 3075.55 7.696 1000 3073.17 7.690 638 3069.69 7.681 547 3067.12 7.675 547 3061.99 7.662 38
in CDCl3
KBr disc
nujol mull
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