<Tr> <Td_colspan="2"> Infobox references </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> </Tr> <P> Octane is a hydrocarbon and an alkane with the chemical formula C H, and the condensed structural formula CH (CH) CH . Octane has many structural isomers that differ by the amount and location of branching in the carbon chain . One of these isomers, 2, 2, 4 - trimethylpentane (isooctane) is used as one of the standard values in the octane rating scale . </P> <P> Octane is a component of gasoline (petrol). As with all low - molecular - weight hydrocarbons, octane is volatile and very flammable . </P>

What type of bonds are found in a molecule of octane