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MassMS-NW-6754 2,3,5,6-tetrafluorophenylhydrazine C6H4F4N2 (Mass of molecular ion: 180)
Source Temperature: 200 °C Sample Temperature: 190 °C Reservoir, 75 eV
28.0 4.0 29.0 5.5 30.0 3.1 31.0 8.4 51.0 1.9 56.0 1.5 57.0 1.0 61.0 1.4 63.0 1.1 68.0 2.1 69.0 5.7 70.0 1.7 74.0 1.3 75.0 6.0 79.0 1.5 80.0 3.5 81.0 8.1 82.0 1.8 86.0 1.1 87.0 1.7 90.0 2.7 93.0 3.4 94.0 1.2 98.0 1.0 99.0 9.7 100.0 1.7 101.0 2.9 106.0 2.0 111.0 1.9 112.0 1.6 113.0 6.8 114.0 1.7 117.0 2.1 118.0 2.5 119.0 2.0 130.0 2.2 131.0 3.4 132.0 2.1 133.0 2.4 134.0 1.9 137.0 54.9 138.0 3.6 144.0 2.5 149.0 2.6 150.0 12.8 151.0 1.4 161.0 1.2 163.0 5.5 164.0 22.2 165.0 10.6 178.0 1.2 179.0 4.1 180.0 100.0 181.0 7.5
90 MHz in CDCl3
400 MHz in DMSO-d6
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1H NMR 89.56 MHz C6 H4 F4 N2 0.043 g : 0.5 ml CDCl3 2,3,5,6-tetrafluorophenylhydrazine 
Assign. Shift(ppm)
A 6.561 B 5.37 C 3.95
Hz ppm Int.604.81 6.754 251 597.56 6.673 471 594.81 6.642 515 590.38 6.593 260 587.63 6.562 1000 584.81 6.530 254 584.00 6.521 25 580.38 6.481 481 577.63 6.450 503 570.44 6.370 241 481.00 5.371 48 353.31 3.945 232
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1H NMR 399.65 MHz C6 H4 F4 N2 0.041 g : 0.5 ml DMSO-d6 2,3,5,6-tetrafluorophenylhydrazine Assign. Shift(ppm)
A 6.945 B 6.85 C 4.44
Hz ppm Int.2793.70 6.991 251 2791.02 6.984 32 2789.43 6.980 42 2786.62 6.973 492 2782.96 6.964 492 2779.42 6.955 282 2775.88 6.946 909 2772.22 6.937 270 2768.68 6.928 463 2765.14 6.919 465 2761.11 6.909 34 2758.06 6.902 223 2738.40 6.852 427 1775.15 4.442 1000
in DMSO-d6
KBr disc
nujol mull
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