butyl
Definition
- 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.
Noun
-
a hydrocarbon radical (C4H9)
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