Definition

Noun: 1. A flammable gaseous hydrocarbon: Isobutylene is a specific chemical compound (C₄H₈), an isomer of butylene. It is a colorless gas used primarily as an intermediate in chemical synthesis and as a component in fuel production.

Usage Examples

• Noun:
  • The plant produces isobutylene for use in polymer manufacturing.
  • Adding isobutylene to the fuel mixture can improve its octane rating.

Advanced Usage

• Chemical Synthesis: In industrial chemistry, "isobutylene" is a key monomer for producing butyl rubber and polyisobutylene.
  • The purity of the isobutylene stream is critical for the polymerization reaction.
• Petrochemical Feedstock: The term is used to describe a specific feedstock stream in a refinery.
  • The unit was designed to separate isobutylene from other C4 hydrocarbons.

Variants and Related Words

• Isobutene: A synonym for isobutylene, often used interchangeably in chemical contexts.
  • The chemical formula for isobutene is identical to that of isobutylene.
• Butylene: The general class of hydrocarbons to which isobutylene belongs.
• Polyisobutylene (PIB): A polymer derived from isobutylene.

Synonyms

• 2-Methylpropene: The systematic IUPAC name for isobutylene.
• Isobutene: A common alternative name.

Related Phrases / Technical Contexts

• Isobutylene dimerization: A chemical process where two isobutylene molecules combine.
  • The isobutylene dimerization unit produces high-octane gasoline components.
• Isobutylene extraction: The process of separating isobutylene from a mixture.
  • The efficiency of isobutylene extraction impacts overall plant yield.

Noun

1. used also in making gasoline components