Ingestion aspiration hazard! Inhalation of vapor may produce anesthetic effects and feeling of euphoria. Prolonged overexposure can cause rapid breathing, headache, dizziness, narcosis, unconsciousness and death from asphyxiation, depending on concentration and time of exposure. Skin contact with evaporating liquid can cause frostbite. Eye contact liquid can cause severe irritation, redness, tearing, blurred vision, and possible freeze burns.