a hydrocarbon of the methane series, existing in three liquid isomeric forms.
Also called normal pentane.the most important isomer of pentane, a colorless, flammable, water-insoluble, very volatile liquid, C 5 H 12 , obtained from petroleum by distillation: used chiefly as a solvent and in medicine as an anesthetic.
pentane (pěn'tān') Pronunciation Key
A colorless, flammable hydrocarbon derived from petroleum and used as a solvent. Pentane occurs in three isomers and is the fifth member of the alkane series. Chemical formula:C5H12.