PHOSGENE Chemical compatibility with O-rings, rubbers, & plastics

Phosgene is a highly toxic and corrosive gas with the chemical formula COCl2. It is colorless and has a suffocating odor reminiscent of musty hay. Phosgene was used as a chemical weapon during World War I, causing severe respiratory damage and death. In industrial settings, phosgene is used to produce polyurethanes, pesticides, and pharmaceuticals. Exposure to phosgene can result in severe respiratory irritation, pulmonary edema, and chemical burns. Symptoms may be delayed, making it particularly dangerous. Protective measures include proper ventilation, gas detection systems, and the use of personal protective equipment such as respirators and chemical-resistant clothing. In case of exposure, immediate medical attention is crucial. Phosgene should be handled with extreme caution, stored in well-ventilated areas, and kept away from incompatible substances like water and strong bases, which can cause hazardous reactions.

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