2 2 4 trimethylpentane has octane number July 8, 2019 16 32 64 128 2 2 4 trimethylpentane octane number Octane and 2 2 4-trimethylpentane are examples of Octane number of 224 trimethylpentane 2 metil 2 butena + h2 2 2 4 trimethylpentane