cymene

Thân thiện

A scientist carefully measures a sample of cymene in the laboratory.

Definition

1. Noun:
   • A colorless aromatic liquid hydrocarbon: Cymene is any of three isomeric forms of a specific chemical compound. It is a hydrocarbon, meaning it consists only of hydrogen and carbon atoms, and is characterized by its aromatic (benzene-like) ring structure and liquid state at room temperature.
   • An industrial chemical: It occurs naturally in certain essential oils and is used primarily as a chemical intermediate in the manufacture of synthetic resins and other products.

Examples of Usage

• Noun:
  • The laboratory analyzed the essential oil and identified cymene as a major component.
  • Cymene is an important starting material for the synthesis of certain polymers.

Advanced Usage

• Chemical nomenclature: In chemistry, the term "cymene" specifically refers to methyl isopropyl benzene. The three isomers (ortho-, meta-, and para-cymene) differ in the arrangement of the methyl and isopropyl groups on the benzene ring, with para-cymene being the most common.
  • Para-cymene is the isomer most frequently found in thyme and cumin oils.

Variants and Related Words

• p-cymene (n): The most prevalent isomer of cymene, where the methyl and isopropyl groups are opposite each other on the benzene ring.
  • p-cymene is often studied for its potential biological activities.

Synonyms

• Methyl isopropyl benzene: The systematic chemical name for cymene.
• p-Cymene: Often used synonymously with "cymene" in common usage, though technically it specifies one isomer.

Related Phrases

• Cymene derivatives: Refers to compounds chemically derived from cymene.
  • Researchers are developing new cymene derivatives for use in fragrances.

Học thuật

Noun

1. any of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resins