1,2-Dibromo-4,5-difluorobenzene(64695-78-9) 1H NMR
Product Name1,2-Dibromo-4,5-difluorobenzene
CAS64695-78-9
Molecular FormulaC6H2Br2F2
Molecular Weight271.88
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MassMS-NW-7634 1,2-dibromo-4,5-difluorobenzene C6H2Br2F2 (Mass of molecular ion: 270)
Source Temperature: 260 °C Sample Temperature: 170 °C Reservoir, 75 eV
31.0 5.5 37.0 3.1 49.0 1.2 50.0 2.1 56.0 3.8 61.0 8.7 62.0 17.4 68.0 4.9 73.0 1.2 74.0 2.7 79.0 1.4 80.0 2.1 81.0 4.5 92.0 4.0 93.0 3.5 95.0 1.1 95.5 2.2 96.0 1.3 96.5 2.1 111.0 5.6 112.0 63.6 113.0 4.1 135.0 3.6 136.0 5.7 137.0 3.2 191.0 24.5 192.0 2.4 193.0 23.8 194.0 1.6 270.0 51.8 271.0 3.6 272.0 100.0 273.0 6.7 274.0 49.3 275.0 3.2
parameter in CDCl3
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1H NMR 300 MHz C6 H2 Br2 F2 0.05 ml : 0.5 ml CDCl3 1,2-dibromo-4,5-difluorobenzene 
Parameter ppm Hz
D(A) 7.445 J(A,F-19) 8.5
Hz ppm Int.2242.00 7.473 501 2233.50 7.445 1000 2225.00 7.417 501
KBr disc
liquid film
nujol mull
