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GERMANE GeH4  

General Characteristics
Germane is a colorless, odorless, highly toxic and flammable gas. It may spontaneously ignite in air. It is compatible with hydrogen, argon, helium, and nitrogen, and is often shipped as a mixture with these gases. Germane is normally shipped as a free gas, due to the quantities involved, instead of as a liquefied gas under its own pressure.
 
Physical Properties
Molecular Weight 76.62
Flammability Limits in air Unknown
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1)
2.66
Density,
Gas @ 70°F(21.1°C), 1 atm
0.199lbs/ft^3 (3.19kg/m^3)
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm
5.03ft^3/lb (0.313l/g)
Melting Point @ 75.1 psia (518 kPa) -266.76°F (-165.98°C)
Boiling Point @ 1 atm -127.3°F (-88.5°C)
Critical Temperature 94.7°F (34.8°C)
Critical Pressure 805.3 psia (55.5 bar)
Toxicity
TLV-TWA 0.2 ppm
LC50 50 ppm
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