Ferric Chloride Powder

Iron(III) chloride is an inorganic compound with the formula FeCl3.
It is also known as ferric chloride and is a common iron compound in the +3 oxidation state.
The anhydrous compound is a crystalline solid with a melting point of 307.6 °C.

Iron(III) chloride is used in the production of sewage and drinking water.
It is used in anhydrous form as a dry reagent in some reactions.
In organic synthesis, it is used to detect the presence of phenolic compounds, e.g., to test the purity of synthesized aspirin.
In water and wastewater treatment, it is used to precipitate phosphate as iron(III) phosphate.
It is used by luthiers and craftsmen to etch metal, revealing layers or defects, as a pattern source to create contrasting effects on metal.
It is used to etch the Widmanstätten pattern in iron meteorites.
In photogravure for etching, it is used for printing images of photographs and artworks onto plates, and in the intaglio printing industry for gravure and etching cylinders.
It is used to manufacture printed circuit boards (PCBs).
In veterinary medicine, it is used to treat the hoof of an animal, especially in cases of bleeding resulting from hemorrhage.
It reacts with cyclopentadienylmagnesium bromide in the preparation of ferrocene, a metal-sandwich complex.
It is sometimes used in the Raku glaze firing technique to color pottery pieces in iron, pink, brown, and orange.
It is used to test the pitting and crevice corrosion resistance of stainless steels and other alloys.