Octane
Octene or octane has the molecular formula C8H18, the abbreviation CH36CH3. 'Octane has many structural isomers that differ in the position and amount of branches in the carbon ring. 2,2,4-trimethylpentane, one of the isomers, is used as one of the standard values of the 'octane' rating scale. 'Octane' is an alkane, which has 18 isomers. ▪ Octene ▪ 2 methylheptane ▪ 3 methylheptane ▪ 4 methylheptane ▪ 3 ethylhexane ▪ 2,2 dimethylhexane ▪ 2,3 dimethylhexane ▪ 2,4 dimethylhexane ▪ 2,5 dimethylhexane Cetane ▪ 3,3 Dimethylhexane ▪ 3,4 Dimethylhexane ▪ 3 Ethyl 2 Methylpentane ▪ 3 Ethyl 3 Methylpentane ▪ 2,2,3 Trimethylpentane ▪ 2,2,4 Trimethylpentane ▪ 2, 3,3 trimethylpentane ▪ 2,3,4 trimethylpentane ▪ 2,2,3,3 tetramethylbutane ...