What is k4 fe cn 6?

K4Fe(CN)6 is a chemical compound, also known as potassium hexacyanoferrate(II). It is a yellow crystalline solid with a molecular weight of 368.34 g/mol. This compound is often used as an oxidizing agent in various chemical reactions.

In its solid form, K4Fe(CN)6 is stable and non-toxic. However, when it is dissolved in water, it can release toxic cyanide ions which can be harmful. Therefore, it should be handled with care and only used in a controlled environment.

K4Fe(CN)6 is commonly used in photography, electroplating, and as a dyeing agent. It is also used in some medical applications, such as in the treatment of Wilson's disease and in the diagnosis of thyroid dysfunction.