Iron(III) hexacyanoferrate(II) (CAS 14038-43-8)

Iron(III) hexacyanoferrate(II), also known as Prussian blue, is a compound with a distinctive blue color, used in research applications that involve the study of its electrochemical properties. Its structure, consisting of a mixed-valence iron-cyanide framework, allows it to undergo redox reactions, which are of particular interest in the development of electrochemical sensors and energy storage devices such as batteries and supercapacitors. The compound′s ability to exchange cations makes it useful for studies on ion-selective electrodes and in the removal of certain heavy metal ions from solutions, without focusing on clinical detoxification applications. In materials science, research on Iron(III) hexacyanoferrate(II) includes the investigation of its photophysical properties and its potential use as a pigment in art conservation and the engineering of coatings. Moreover, the compound′s porous lattice structure is of interest for the encapsulation of smaller molecules, which can be relevant for the design of novel material systems with specific functionalities.