toluene

/'tɔljui:n/
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toluene

A chemist carefully pours toluene from a beaker into a test tube.

Definition
  1. Noun:
    • A colorless flammable liquid hydrocarbon: Toluene is an aromatic hydrocarbon with the chemical formula C₇H₈. It is a clear, water-insoluble liquid with a distinctive sweet, pungent smell.
    • A solvent and industrial feedstock: It is obtained primarily from petroleum or coal tar and is widely used as an industrial solvent for substances like gums, resins, and lacquers. It is also a key component in the production of high-octane fuels and other chemicals.
Usage Examples
  • Noun:
    • The lab technician used toluene to dissolve the adhesive for analysis.
    • Proper ventilation is essential when working with toluene due to its flammable and volatile nature.
    • Toluene is a common starting material in the synthesis of benzene and other aromatic compounds.
Advanced Usage

  • "Toluene diisocyanate (TDI)": A crucial derivative used in the production of polyurethane foams.

    • The production of flexible foam mattresses often involves toluene diisocyanate.

  • "Toluene sulfonation": A chemical process where toluene is reacted to produce sulfonic acids, used in detergents and dyes.

    • Toluene sulfonation is a key step in manufacturing certain acid catalysts.
Variants and Related Words

  • Toluic acid (n): Any of three isomeric crystalline acids derived from toluene.

    • Para-toluic acid is used in organic synthesis.

  • Toluidine (n): Any of three isomeric amino derivatives of toluene, used in dye manufacturing.

    • Ortho-toluidine is a precursor to various dyes.
Synonyms
  • Methylbenzene: The systematic IUPAC name for toluene.
  • Phenylmethane: An alternative chemical name for toluene.
Related Phrases
  • Toluene mixture: A blend containing toluene and other solvents or hydrocarbons.
    • The paint thinner was a toluene mixture designed for fast drying.
Related Idioms

(Note: As a specific chemical compound, toluene does not feature in common idiomatic expressions. Its usage is primarily technical and industrial.)

toluene

A chemist carefully pours toluene from a beaker into a test tube.

Noun
  1. a colorless flammable liquid obtained from petroleum or coal tar; used as a solvent for gums and lacquers and in high-octane fuels

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