Prussian blue nanoparticles are used in some cosmetics, and it's used by pathologists as a stain to detect iron in, for example, bone marrow biopsy specimens. So it's a very useful substance ...

The pigment Prussian blue consists of iron cations, cyanide anions, and water. The empirical formula—minus the water of crystallization—is Fe 7 (CN) 18. This seems odd with respect to the iron ...

"We have shown that when Prussian blue is dissolved in ammoniac solutions it produces hydrogen cyanide, a substance that could have played a fundamental role in the creation of the first bio ...

Scientists have shown that hydrogen cyanide, urea and other substances considered essential to the formation of the most basic biological molecules can be obtained from the salt Prussian blue.