Agent Name
Trimethylarsine
Synonyms
Arsine, trimethyl-; Trimethylarsenic; [ChemIDplus] UN1993
Category
Arsenic Compounds, Organic
Description
Colorless liquid; [Sigma-Aldrich MSDS]
Sources/Uses
"Trimethylarsine is the volatile byproduct of microbial action on inorganic forms of arsenic which are naturally occurring in rocks and soils at the parts-per-million level. Trimethylarsine has been reported only at trace levels (parts per billion) in landfill gas from Germany, Canada, and the U.S.A., and is the major arsenic-containing compound in the gas." [Wikipedia]
Comments
Causes somnolence, tremor, and ataxia in inhalation lethal-concentration studies of mice; [RTECS] May cause irritation; [Sigma-Aldrich MSDS] See "Triphenylarsine," "Diethylarsine," and "tert-Butylarsine."
PEL (OSHA)
0.5 mg/m3, as As
Lethal Concentration
LC50 (mouse) = 20,500 ppm/4hr
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Flammable liquid, n.o.s."
Other Information
No other related information on this agent was found.