Solvent naphtha (petroleum), heavy arom. (10C)
Solvent naphtha, petroleum, heavy arom.
A complex combination of hydrocarbons obtained from distillation of aromatic streams.  It consists predominantly of aromatic hydrocarbons having carbon numbers predominantly in the range of C9 through C16 and boiling in the range of approximately 165.degree.C to 290.degree.C (330.degree.F to 554.degree.F).