A harmful concentration of this gas in the air will be reached very quickly on loss of containment. The substance severely irritates the eyes, the skin and the respiratory tract. Rapid evaporation of the liquid may cause frostbite. Exposure above the OEL may result in death. The effects may be delayed.
Medical observation is indicated.
The applying occupational exposure limit value should not be exceeded during any part of the working exposure. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Turn leaking cylinder with the leak up to prevent escape of gas in liquid state. Neither the CEC or the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information.