Naphtha (petroleum), steam-cracked, hydrotreated, C9-10-arom.-rich; Cracked kerosine; [A complex combination of hydrocarbons produced by the distillation of the products from a steam cracking process thereafter treated with hydrogen in the presence of a catalyst. It consists predominantly of aromatic hydrocarbons having carbon numbers in the range of C9 through C10 and boiling in the range of approximately 140 °C to 200 °C (284 °F to 392 °F).]