Paris green

chemical compound

Paris green, which has the chemical name copper(II) acetoarsenite, is a chemical compound. Its chemical formula is Cu(C2H3O2)2 ยท 3 Cu(AsO2)2. It has copper, acetate, and arsenite ions in it. The copper is in its +2 oxidation state.

PropertiesEdit

Paris green is a blue-green solid. It is extremely toxic. It has a very bright blue-green color. It darkens in air.

PreparationEdit

It is made by reacting copper(II) acetate with arsenic trioxide and water.

UsesEdit

Paris green was first used to kill rats in sewers in Paris. This is where it got its name from. It was used as an insecticide. It was dropped from airplanes to stop malaria in Italy. It was used as a bright green pigment. It was painted on ships to prevent barnacles from growing. In many places, Paris green is banned because it is so toxic. It is only used in a very few places.

SafetyEdit

Paris green is extremely toxic. It used to be common and so was a common poison.

Related pagesEdit