pentane

Any of three colorless, flammable isomeric hydrocarbons, C₅H₁₂, derived from petroleum and used as solvents.

Amyl hydrid, C₅H₁₂, a paraffin hydrocarbon existing in three modifications.

Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.

An aliphatic hydrocarbon of chemical formula C5H12; either of the three isomers n-pentane, methyl-butane (isopentane), and di-methyl-propane (neopentane); volatile liquids under normal conditions.