EMERGENCY OVERVIEW: Nitrogen is a colorless, odorless, non-flammable gas, or a colorless, odorless, cryogenic liquid. ... The cryogenic liquid will rapidly boil to the gas at standard temperatures and pressures.

Is nitrogen flammable or explosive?

The obvious and simple truth is that nitrogen is not combustible under ordinary circumstances. In fact, the National Fire Protection Association has given nitrogen a flammability rating of zero.

Can nitrogen gas catches fire?

No, Nitrogen does not burn under normal circumstances. It is the most abundant element in the atmosphere; however, it will not combust. It is primarily due to its poor thermal conductivity as compared to hydrogen and oxygen. It cannot even sustain a flame at atmospheric level.