Ferric ammonium ferrocyanide

Ferric ammonium ferrocyanide (CAS 25869-00-5), also known as ammonium iron hexacyanoferrate, is a deep blue inorganic pigment derived from the Prussian blue family.

It delivers intense, stable coloration across a range of industrial substrates, including paper, textiles, and coated surfaces. In printing and packaging, it functions as a blue pigment in specialty inks.

Consistent hue and substrate adhesion are critical to print quality in these applications. Textile and leather processors use it in dyeing and finishing operations to achieve deep blue shades on fibers.

It is effective on both natural and synthetic fibers. Coatings formulators incorporate it into architectural and industrial paints where lightfast blue tones are required without organic pigment systems.

In paper manufacturing, it is applied as a surface colorant or coating pigment to produce blue-tinted specialty papers and boards. This versatile pigment is typically supplied as a fine dry powder.

It comes in varying particle size distributions to suit different dispersion and coating requirements. Technical grade is the standard commercial offering for most industrial applications.

Product specifications are generally defined by pigment strength, moisture content, and particle fineness. Bulk and packaged formats are available to serve both large-scale users and specialty formulators.