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trimethylarsine

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Also known as (CH3)3As, AsMe3

Trimethylarsine (abbreviated TMA or TMAs) is the chemical compound with the formula (CH3)3As, commonly abbreviated AsMe3 or TMAs. This organic derivative of arsine has been used as a source of arsenic in microelectronics industry, a building block to other organoarsenic compounds, and serves as a ligand in coordination chemistry. It has a distinctive garlic-like smell. Trimethylarsine was discovered in 1854.

Wikidata facts

Mass
119.992
Show 3 more facts
chemical formula
C₃H₉As
Commons category
Trimethylarsine
canonical SMILES
C[As](C)C
Sources (2)

via Wikidata · CC0

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Encyclopedic overview

6 sections
Contents
  • Structure and preparation
  • Occurrence and reactions
  • History
  • Safety
  • References
  • External links

Trimethylarsine (abbreviated TMA or TMAs) is the chemical compound with the formula (CH3)3As, commonly abbreviated AsMe3 or TMAs. This organic derivative of arsine has been used as a source of arsenic in microelectronics industry, a building block to other organoarsenic compounds, and serves as a ligand in coordination chemistry. It has a distinctive garlic-like smell. Trimethylarsine was discovered in 1854.

==Structure and preparation== AsMe3 is a pyramidal molecule. The As-C distances average 1.519 Å, and the C-As-C angles are 91.83°

Excerpted from Wikipedia’s “trimethylarsine” article, available under the CC BY-SA 4.0 licence.