Arsine is a highly toxic, flammable colorless gas
with an odor similar to garlic. The odor is subjective and therefore
not reliable, and should not be used to detect the presence of the
gas. It is shipped as a liquefied gas under its own vapor pressure.
Physical
Information
Molecular Weight
77.95
Flammability Limits in air
LFL 5.8%
Specific Gravity,
Gas @ 70& degF(21.1°C),
1 atm(Air=1)