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Table 6 Main identified products of 1,3-butadiene in the photolysis reaction

From: Reactivity and kinetics of 1,3-butadiene under ultraviolet irradiation at 254 nm

No. Name Molecular formula Relative amount/% Similarity/%
Irradiation time (h)
1 2 3 4 5
1 Ethylene H2C = CH2 1.72 1.82 2.23 3.18 4.35 99
2 Acetylene HC≡CH   1.07 1.23 1.80 2.45 99
3 Cyclobutene 2.63 3.69 4.50 6.56 7.91 92
4 1-Butyne CH3–CH2–HC≡CH   0.37 0.45 0.68 0.78 89
5 1,2-Butadiene CH3–CH = C = CH2 7.33 7.86 10.28 17.44 18.11 98
6 1,3-Butadiene CH2 = CH–CH = CH2 88.31 85.19 81.31 70.34 66.40 98