What is Prussian Blue in Chemistry? Prussian blue (Fe 4 [Fe (CN) 6] 3 ·xH 2 O) is a dark blue synthetic inorganic pigment from the ferricyanide coordination class. It is made up of ferrous (Fe 3+) and ferrous (Fe 2+) ions bound by a cyanide bond (-CN). The formation of Prussian blue results from the reaction between potassium ferricyanide (K 4 [Fe (CN) 6]) and ferric chloride (FeCl 3), which leads to the precipitation of an insoluble complex. Fig.1 Chemical structure of Prussian blue . The ... Learn about the history and properties of Prussian Blue , the first synthetic blue pigment invented by accident in 1704. Explore how it was used by famous artists like Hokusai and Picasso, and how Winsor & Newton offers a stable and lightfast version of this intense hue. Prussian blue or Prussian Blue can refer to different things, such as a pigment, a medical use, a music album, a novel, or a cat breed. Find out the meanings and links of each term on this disambiguation page. Prussian Blue is a rich and intense shade of blue with a slight green undertone, symbolizing depth, reliability, and elegance. Learn how to use this classic color in your designs, explore its technical information and color combinations, and discover its historic and cultural significance.
