Paris green
Paris green (pronunciation: /ˈpærɪs griːn/), also known as emerald green or copper acetoarsenite, is a highly toxic inorganic compound that was once used as a rat poison and insecticide. The name "Paris green" comes from its extensive use in Paris during the 19th century.
Etymology
The term "Paris green" is believed to have originated from its widespread use in Paris, France, during the 19th century. It was initially used as a pigment in wallpapers and paints due to its vibrant green color. The term "emerald green" is derived from its resemblance to the color of emerald gemstones.
Chemical Composition
Paris green is an inorganic compound with the chemical formula Cu(CH3COO)2·3Cu(AsO2)2. It is a bright, bluish-green powder that is insoluble in water. The compound is a double salt consisting of copper(II) acetate and copper(II) arsenite.
Toxicity
Paris green is highly toxic due to its arsenic content. It can cause symptoms of arsenic poisoning if ingested or inhaled, including stomach pain, nausea, vomiting, diarrhea, and muscle cramps. Long-term exposure can lead to more serious health problems, such as damage to the nervous system and cancer.
Related Terms
See Also
External links
- Medical encyclopedia article on Paris green
- Wikipedia's article - Paris green
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