Potassium ferricyanide is a coordination compound whose chemical formula is K3[Fe(CN)6]. This chemical compound exists as a bright red salt under standard conditions for temperature and pressure.

Uses of Potassium Ferricyanide

One of the most notable applications of potassium ferricyanide is in the Cyanotype process, where it is employed in the printing processes that yield cyan-blue prints.

This compound is also known to have various applications in the field of photography. For example, many photographic print toning processes are known to employ potassium ferricyanide.

Potassium ferricyanide can also be employed as an oxidising agent for the removal of silver from certain colour negatives and colour positives.

This compound can also be of use during the hardening of iron and the hardening of steel.

The process of electroplating is often done using this compound as one of the raw materials.

Potassium ferricyanide is also known to be used in the dyeing of wool.

This compound is also used as a laboratory reagent. Many organic reactions are conducted employing this compound as a mild oxidising agent.