NCIt definition : A synthetic formaldehyde derivative with both hydrogens substituted by chlorine. Phosgene
is used in the manufacture of other chemicals, pesticides, and pharmaceuticals. It
can also be used to separate ores, and has been used as a chemical warfare agent.
It is characterized as a colorless to light yellow gas at room temperature and normal
pressure or as a liquid under pressure or with refrigeration, with an odor of freshly
cut hay. Exposure occurs by inhalation, ingestion, or contact.;
Alternative definition : CDISC: The chemical agent phosgene.;