cacodyl radical
Definition
- 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.
Noun
-
the univalent group derived from arsine
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