What is ferris chloride?

Ferric chloride (FeCl3) is a chemical compound of iron and chlorine. It is commonly used as a coagulant and flocculant in water treatment processes, as well as in the production of various chemicals and materials. Ferric chloride is also used in the etching of copper and other metals, as a catalyst in organic chemical reactions, and in the manufacturing of pigments and dyes. In its solid form, ferric chloride is a dark brown crystalline powder with a pungent odor. When dissolved in water, it forms a yellow-brown solution that is highly corrosive. Ferric chloride is a hazardous substance and must be handled with care to prevent harm to humans and the environment.