ARSINE AsH3
General Characteristics
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&degC),
1 atm(Air=1)
2.69
Density,
Gas @ 70&degF(21.1&degC), 1 atm
0.20lbs/ft^3 (3.24g/l)
Specific Volume,
Gas @ 70&degF(21.1&degC), 1 atm
4.95ft^3/lb (0.309l/g)
Boiling Point @ 1 atm
-80.5&degF (-62.5&degC)
Melting Point @ 1 atm
-178.5&degF (-116.9&degC)
Critical Temperature
211.8&degF (99.9&degC)
Toxicity
PEL / TLV
0.05 ppm
TCLO (Inhalation Human)
3 ppm
LC50RAT
75 ppm
DLH
6 ppm