cacodyl radical

Thân thiện

A chemist carefully handles a sample containing the cacodyl radical in a fume hood.

Definition

1. Noun:
   • A univalent organic radical derived from arsine: The cacodyl radical is a chemical group with the formula (CH₃)₂As–. It is a univalent radical, meaning it has one free valence electron, and is historically significant in the development of organometallic chemistry.

Usage Examples

• Noun:
  • The compound contains a cacodyl radical bonded to a benzene ring.
  • Early research on the cacodyl radical provided insights into the bonding of metals and metalloids to carbon.

Advanced Usage

• "cacodyl radical" in chemical nomenclature: This term is used in systematic and historical chemical literature to refer to the dimethylarsino group, (CH₃)₂As–.
  • The reaction proceeds via the intermediate formation of a cacodyl radical.

Variants and Related Words

• Cacodyl (noun): Can refer to the radical itself or to tetramethyldiarsine, ((CH₃)₂As)₂, a foul-smelling, toxic liquid.
  • The laboratory had a distinct odor due to the presence of cacodyl compounds.
• Cacodylate (noun): A salt or ester of cacodylic acid, which contains the cacodyl group.
  • Sodium cacodylate is sometimes used as a buffer in biological preparations.

Synonyms

• Dimethylarsino radical: A more systematic name for the same chemical group.
• (CH₃)₂As–: The chemical formula representing the cacodyl radical.

Related Phrases and Compounds

• Cacodyl oxide: An organoarsenic compound with the formula ((CH₃)₂As)₂O.
• Cacodylic acid: An organoarsenic compound with the formula (CH₃)₂AsO₂H.

Học thuật

Noun

1. the univalent group derived from arsine

Từ đồng nghĩa

• cacodyl
• cacodyl group
• arsenic group