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?What is Octane Octane is a highly volatile compound with chemical formula C8H18. There are different structural isomers that vary by the kind of branching that occurs in its carbon chain. Isooctane (2,2,4-trimethylpentane) is one of these isomers. It is a key component of the octane rating system. Octane rating is “an index of a … ادامه