2,5-Dibromo-1,4-benzoquinone(1633-14-3) IR1
Product Name2,5-Dibromo-1,4-benzoquinone
CAS1633-14-3
Molecular FormulaC6H2Br2O2
Molecular Weight265.89
InChIInChI=1S/C6H2Br2O2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H
InChIKey KNPAQJBQOIAPBP-UHFFFAOYSA-N
SmilesC1(=O)C=C(Br)C(=O)C=C1Br
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MassMS-IW-9160 2,5-dibromo-p-benzoquinone C6H2Br2O2 (Mass of molecular ion: 264)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
18.0 2.4 24.0 1.2 25.0 9.0 26.0 1.3 28.0 4.2 36.0 2.2 37.0 4.6 43.0 1.2 48.0 1.5 49.0 9.8 50.0 18.7 51.0 2.2 52.0 4.2 53.0 100.0 54.0 4.0 60.0 1.8 61.0 4.1 62.0 1.9 77.0 1.2 79.0 3.3 80.0 1.5 81.0 1.8 82.0 1.5 104.0 18.9 105.0 2.8 106.0 18.2 107.0 1.9 109.0 1.1 129.0 7.5 130.0 1.5 131.0 9.2 132.0 26.6 133.0 3.5 134.0 25.6 135.0 1.3 157.0 46.8 158.0 3.9 159.0 46.0 160.0 12.7 162.0 9.0 185.0 11.0 186.0 1.7 187.0 10.9 188.0 1.6 208.0 1.3 210.0 2.6 212.0 1.3 236.0 9.7 238.0 18.7 239.0 1.1 240.0 9.2 264.0 28.7 265.0 2.0 266.0 57.5 267.0 4.0 268.0 32.0 269.0 2.2 270.0 2.4
parameter in DMSO-d6
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1H NMR 300 MHz C6 H2 Br2 O2 0.040 g : 0.5 ml DMSO-d6 2,5-dibromo-p-benzoquinone 
Parameter ppm Hz
D(A) 7.759
Hz ppm Int.2327.70 7.759 1000
in DMSO-d6
KBr disc
nujol mull
