COCl₂, commonly known as phosgene, is a chemical compound composed of carbon, oxygen, and chlorine. It appears as a colorless gas with a musty or hay-like odor. Phosgene is primarily used in the production of various organic chemicals, including pharmaceuticals and pesticides. This compound is highly toxic and can be dangerous if inhaled, as it can cause severe respiratory damage. Due to its hazardous nature, strict safety measures are required when handling phosgene in industrial settings. Proper ventilation and protective equipment are essential to minimize exposure risks.