Inhalation: Quickly disengage from the scene to fresh air. Maintain airway patency. If breathing is difficult, give oxygen. If the breath stops, immediately carries on the artificial respiration. Medical。 Food: Rinse with water, drink milk or egg whites. Medical。 Spray water to cool the container and, if possible, move the container from the fire to the open space. If a vessel in a fire is discolored or produces sound from a safety pressure relief device, it must be evacuated immediately. Fire extinguishing agent: foam, carbon dioxide, dry powder, sand. Water extinguishing is invalid.