pentane

A scientist pours pentane into a beaker during an experiment.

Definition

1. Noun:
   • A chemical compound: "pentane" refers to any of three isomeric hydrocarbons (C₅H₁₂) belonging to the alkane series, typically a colourless, flammable liquid used as a solvent and in fuel.

Usage Examples

• Noun:
  • The laboratory used pentane as a solvent for the extraction process. (A colourless liquid hydrocarbon used in chemistry.)
  • Pentane is a major component of gasoline and natural gas liquids. (A hydrocarbon found in fuel sources.)

Advanced Usage

• "Isomeric pentanes": The three structural isomers of pentane are n-pentane, isopentane (2-methylbutane), and neopentane (2,2-dimethylpropane).

  • The boiling points of the isomeric pentanes differ slightly due to their molecular structures. (Different forms of pentane have varying physical properties.)

• "Pentane in chromatography": Pentane is commonly used as a mobile phase in liquid chromatography due to its low polarity.

  • The chemist used pentane to elute nonpolar compounds from the column. (Pentane helps separate substances in a mixture.)

Variants and Related Words

• Pentan-1-ol (n): an alcohol derived from pentane, also known as amyl alcohol.

  • Pentan-1-ol is used as a solvent and in the production of esters. (A derivative of pentane with a hydroxyl group.)

• Pentanone (n): a ketone derived from pentane, such as 2-pentanone.

  • Pentanone is a solvent used in paints and coatings. (A chemical compound related to pentane.)

Synonyms

• n-Pentane: the straight-chain isomer of pentane.
• Amyl hydride: an older chemical name for pentane.

Related Idioms

• (No common idioms exist for "pentane," as it is a technical term.)

Phrasal Verbs

• (No phrasal verbs are associated with "pentane," as it is a noun with no verb form.)