Hydrocarbons, C5 and C10-aliph. and C6-8-arom.

Hydrocarbons, C5 and C10-aliph. and C6-8-arom. is a complex combination of hydrocarbons produced by the thermal cracking of ethane and propane. It contains predominantly cyclic hydrocarbons having carbon numbers predominantly in the range of C5 through C10, primarily benzene, cyclopentadiene, dicyclopentadiene, toluene, and xylenes.