butyl

Thân thiện

A chemist writes the formula for butyl on a whiteboard.

Definition

1. Noun:
   • A univalent hydrocarbon radical (C4H9): "Butyl" refers to any of four isomeric alkyl radicals derived from butane, with the formula C₄H₉. It is a functional group in organic chemistry.

Usage

• The term "butyl" is used primarily in scientific contexts, especially in organic chemistry and industrial chemistry, to specify a particular four-carbon alkyl substituent.
• It is commonly found in compound names to indicate the presence of this radical.

Examples

• Noun:
  • The chemist synthesized a new compound containing a butyl group.
  • Butyl rubber is a copolymer of isobutylene with a small amount of isoprene.
  • The solvent was identified as butyl acetate.

Advanced Usage

• "Butyl" in isomer specification: The four isomers (n-butyl, sec-butyl, isobutyl, tert-butyl) are often specified to denote the exact structure of the radical.
  • Tert-butyl groups are known for their steric bulk.

Variants and Related Words

• Butylene (n): Any of three isomeric hydrocarbons (C₄H₈) from which butyl radicals can be formally derived.
• Butane (n): The parent hydrocarbon (C₄H₁₀) from which butyl radicals are derived by removal of one hydrogen atom.

Synonyms

• C4H9 radical: The chemical formula synonym.
• Butyl group: A synonymous term emphasizing its role as a substituent.

Related Phrases

• Butyl derivative: A compound formed by replacing a hydrogen atom with a butyl group.
  • This ester is a butyl derivative of acetic acid.

Học thuật

Noun

1. a hydrocarbon radical (C4H9)