Potassium ferricyanide is a chemical compound with the formula K3[Fe(CN)6]. It appears as a bright red or orange crystalline solid and is commonly used in laboratories and various industrial applications. This compound is known for its ability to act as an oxidizing agent in chemical reactions. In addition to its laboratory uses, potassium ferricyanide is also employed in photography and as a dye in textile manufacturing. It is important to handle this compound with care, as it can be toxic if ingested or inhaled. Proper safety measures should always be followed when working with it.