Answer: pentanes

AnswerCrossword Clue
PENTANESVolatile liquids.
PENTANESPetroleum-derived solvents
pentanesthe most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C5H12, obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic
pentaneshydrocarbon of the methane series, existing in three liquid isomeric forms
pentanesPENTANE, a volatile liquid