Phosgene
Phosgene
Phosgene (/ˈfɒsdʒiːn/, from the Greek words phos meaning light and genes meaning born or produced) is a colorless gas that was used extensively as a chemical weapon during World War I. Today, it is primarily used in the manufacture of plastics and pesticides.
Etymology
The term "phosgene" is derived from the Greek words phos (light) and genes (born or produced). It was first synthesized by the British chemist John Davy in 1812 through the exposure of a mixture of carbon monoxide and chlorine to sunlight.
Usage
Phosgene is primarily used in the industrial production of urethanes and polycarbonate plastics. It is also used in the manufacture of certain pesticides and pharmaceuticals.
Health Effects
Exposure to phosgene can cause a range of health effects, from mild irritation of the eyes and skin to severe and potentially fatal damage to the lungs. Symptoms of phosgene poisoning include coughing, difficulty breathing, nausea, and vomiting. In severe cases, exposure can lead to pulmonary edema, a potentially fatal condition in which fluid accumulates in the lungs.
Safety Measures
Due to its toxicity, strict safety measures are required when handling phosgene. These include the use of protective clothing and respiratory equipment, as well as the implementation of proper ventilation systems in workplaces where phosgene is used.
Related Terms
External links
- Medical encyclopedia article on Phosgene
- Wikipedia's article - Phosgene
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