This information is based upon technical information believed to be reliable. It is subject to revision as additional knowledge and experience are gained. Please return to this website for the most current version. These effects may be followed by central nervous system depression with dizziness, confusion, incoordination, drowsiness or unconsciousness. Intentional misuse or deliberate inhalation may cause death without warning.
Vapor reduces oxygen available for breathing and is heavier than air.
Based on animal data, significant skin permeation, and systemic toxicity after skin contact, appears unlikely. Symptoms include coughing, gasping, choking, shortness of breath, bluish discoloration of the skin, rapid breathing and heart rate, and fever. Pulmonary edema or bleeding, drowsiness, confusion, coma and seizures may occur in more serious cases. Symptoms may develop immediately or as late as 24 hours after exposure, depending on how much chemical entered the lungs. Short-term overexposure by inhalation to Nitromethane may cause irritation of the nose and throat with sneezing, sore throat or runny nose.