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trimethylarsine
Sign in to saveAlso 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.
Chemical data
- Formula
- C3H9As
- Molecular weight
- 120.03 g/mol
- IUPAC name
- trimethylarsane
- SMILES
- C[As](C)C
- InChIKey
- HTDIUWINAKAPER-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Wikidata facts
- Subclass of
- chemical compound
- Mass
- 119.992
Show 3 more facts
- chemical formula
- C₃H₉As
- Commons category
- Trimethylarsine
- canonical SMILES
- C[As](C)C
Sources (2)
via Wikidata · CC0
~2 min read
Encyclopedic overview
6 sectionsContents
- 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.