Molecular Weight

28.013

Flammability Limits in air

Nonflammable

Specific Gravity,
Gas @ 70&degF(21.1&degC),
1 atm(Air=1)

0.96

Liquid Density @ Boiling Point

50.47lb/ft^3 (808.5g/l)

Density, Gas @ 70&degF(21.1&degC), 1 atm

0.0725lbs/ft^3 (1.16g/l)

Specific Volume, Gas @ 70&degF(21.1&degC), 1 atm

13.8ft^3/lb (0.862l/g)

Boiling Point @ 1 atm

-320.4&degF (-195.8&degC)

Critical Temperature

-232.8&degF (-147.1&degC)

Toxicity

Non-Toxic, asphyxiant only