Fighting Procedures - Cool cylinders with water spray. Remove open flames. Comply with Federal, State and local regulations on reporting releases. Potential Health Effects - Inhalation of high concentrations of vapor is harmful and may cause heart irregularities, unconsciousness or death. Intentional misuse or deliberate inhalation may cause death without warning.
Vapor reduces oxygen available for breathing and is heavier than air.
Liquid contact can cause frostbite. Human Health Effects - Contact with the liquid may cause frostbite. Overexposure by inhalation may include nonspecific discomfort, such as nausea, headache, or weakness, or temporary nervous system depression with anesthetic effects such as dizziness, headache, confusion, incoordination, and loss of consciousness. Higher exposures may lead to temporary alteration of the heart's electrical activity with irregular pulse, palpitations, or inadequate circulation. Fatality may occur from gross overexposure.