Definition
Naphtha, shale oil, hydrocracked, light catalytic cracked. is a complex combination of hydrocarbons produced by the distillation of products from a catalytic cracking process for which the feedstock is hydrocracked shale oil. It consists of hydrocarbons having carbon numbers predominantly in the range of C4 through C11 and boiling in the range of approximately -20.degree.C to 190.degree.C (-4.degree.F to 374.degree.F). It contains a relatively large proportion of unsaturated hydrocarbons.