Cyclo Alkanes

… are alkanes that do not follow the general formulae, as they have no end and no beginning in the chain, as they take a circular structure.

Such as Cyclohexane C₆H₁₂

_N.b. 

·         Peptane & Octane are the main components in fuel.

·         The longer the Hydrocarbon chain, the less volatile it is.

·         The shorter the Hydrocarbon chain, the lower its Flash point.