This fact sheet answers the most frequently asked health questions about phosgene oxime. For more information, call the ATSDR Information Center at 1-800-232-4636. This fact sheet is one in a series of summaries about hazardous substances and their health effects. It is important you understand this information because this substance may harm you. The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. Highlights Phosgene oxime was developed as a chemical warfare agent. Only people working near where phosgene oxime has been stored are at risk of being exposed to this substance. Exposure to high levels of phosgene oxime vapors may cause severe lung damage, and even death. Contact with gaseous, liquid, or solid phosgene oxime may result in severe skin or eye damage. Phosgene oxime has been found in at least 1 of the 1,585 National Priorities List sites identified by the Environmental Protection Agency (EPA). tfacts167.pdf tfacts15.pdf

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