Inhalation: Quickly disengage from the scene to fresh air. Maintain airway patency. If breathing is difficult, give oxygen. If you stop breathing, do it immediately. Medical。 Food: Rinse with water, drink milk or egg whites. Medical.Its vapor is heavier than air, can spread to a considerable distance in the lower place, in the event of ignition will ignite. Remove contaminated clothing, rinse the skin thoroughly with soapy water and clear water. Eye Contact: Lift eyelids, rinse with flowing water or saline.