azo

Thân thiện

A chemist examines an azo dye sample under bright light.

Definition

1. Adjective:
   • Relating to or containing the azo radical: The term "azo" describes a chemical compound or group that contains the characteristic azo functional group, which consists of two nitrogen atoms double-bonded to each other and each connected to another atom or group of atoms (typically carbon). This group is central to a large class of synthetic dyes and pigments.

Usage Examples

• Adjective:
  • The chemist synthesized a new azo dye for the textile industry.
  • Azo compounds are often characterized by their vivid colors.

Advanced Usage

• "Azo group": The specific functional group (-N=N-) that defines azo compounds.
  • The reactivity of the molecule is determined by the azo group at its center.
• "Azo linkage": Another term for the bond within the azo group.
  • The stability of the dye depends on the azo linkage.

Variants and Related Words

• Azoic (adj): An older, less common term meaning without life or pertaining to the earliest geological period before evidence of life. (Note: This is a distinct term and not a direct variant of the chemical "azo," but it shares the same Greek root meaning "lifeless".)
• Azobenzene (n): A specific, well-known azo compound with the formula C₆H₅N=NC₆H₅, often used in chemical research.
• Azo dye (n): The most common application of azo compounds; a large class of synthetic dyes containing one or more azo groups.

Synonyms

• Diazo (adj): Relating to or containing a pair of nitrogen atoms. While related, "diazo" typically refers to a different functional group (-N₂⁺) and is not a perfect synonym for "azo."

Related Phrases and Terms

• Azo reduction: A chemical reaction where the azo group (-N=N-) is cleaved, typically by reducing agents.
  • Azo reduction in the gut can release potentially harmful aromatic amines.
• Azo coupling: An important chemical reaction used to synthesize azo compounds, where a diazonium salt reacts with another aromatic compound.
  • The brilliant red color was produced via an azo coupling reaction.

Học thuật

Adjective

1. relating to or containing the azo radical