tert-Butylarsine
Agent Name
tert-Butylarsine
CAS Number
4262-43-5
Formula
C4-H11-As
Major Category
Metals
Synonyms
(1,1-Dimethylethyl)arsine; Arsine, (1,1-dimethylethyl)-; Arsine, tert-butyl- (7CI,8CI); [ChemIDplus] EPI PROOF TBA; 1,1-Dimethylethylarsine; Tertiarybutylarsine; [Akzo Nobel MSDS]
Category
Arsenic Compounds, Organic
Description
Clear colorless liquid with an unpleasant odor; [Akzo Nobel MSDS]
Sources/Uses
Used in semiconductors; [Akzo Nobel MSDS]
Comments
Causes other changes of the liver, kidney, ureter, and bladder in inhalation lethal-concentration studies of rats; [RTECS] Pyrophoric; Causes burns; Inhalation, although unlikely due to high reactivity, may be fatal; Chronic overexposure may cause CNS, skin, eye, respiratory tract, liver, and kidney effects; [Akzo Nobel MSDS] See "Diethylarsine."
Biomedical References
Exposure Assessment
PEL (OSHA)
0.5 mg/m3, as As
Vapor Pressure
125 mm Hg
Lethal Concentration
LC50 (rat) = 73.5 ppm/4hr
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: