Arsine

CAS RN: 7784-42-1

Range of Toxicity

A) Industrial exposure limits indicate that exposures in excess of 0.05 parts per million (ppm) are potentially toxic and concentrations of 3 ppm are considered by NIOSH as Immediately Dangerous to Life or Health. Symptoms of poisoning appear after exposure to concentrations of 0.5 ppm. Exposure to arsine concentrations of 250 ppm is rapidly fatal, concentrations of 25 to 50 ppm for 30 minutes may be fatal, and concentrations of 10 ppm can be fatal at longer exposure times.
B) There is little information on the chronic toxicity of arsine.
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