propyl radical

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Noun1.propyl radical - the monovalent organic group C3H7- obtained from propane
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
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Representative ratios of the rate constants for disproportionation ([]) and combination ([]) in aliphatic hydrocarbons at 30[degrees]C are []/[] = 7.2 for t-butyl radicals, []/[] = 1.1 for cyclohexyl species, []/[] = 0.15 for primary propyl radicals, and []/[] [approximately equal to] 0 for allylic radicals (17).