Ferrous trichloride/ Iron (III) chloride / 40% solution

In industrial application, iron(III) chloride is used in sewage treatment and drinking water production. In this application, FeCl3 in slightly basic water reacts with the hydroxide ion to form a floc of iron(III) hydroxide, or more precisely formulated as FeO(OH)−, that can remove suspended materials.

 

Chemical formula FeCl3   
EC NUMBER – 231-729-4
CAS NUMBER –7705-08-0