Ferric Chloride Anhydrous is an anhydrous sublimed iron (iii) chloride. It is supplied as a greenish – black crystalline powder containing 98-99% Ferric Chloride, readily soluble in water, ethanol, ether and acetone, it is very hygroscopic, taking up atmospheric moisture and forming a deliquescent yellow hydrate FeCl36H2O which dissolves in the water is absorbs.