Pigments & Colorants
REACH
Ferric ammonium ferrocyanide
CAS Number
25869-00-5
EC Number
247-304-1
What is Ferric ammonium ferrocyanide?
Ferric ammonium ferrocyanide (CAS 25869-00-5), also known as ammonium iron hexacyanoferrate, is a deep blue inorganic pigment of the Prussian blue family.
Where is Ferric ammonium ferrocyanide used?
- Printing and packaging: blue pigment in specialty inks
- Textile and leather: dyeing and finishing for deep blue shades on natural and synthetic fibers
- Coatings: lightfast blue tones in architectural and industrial paints without organic pigment systems
- Paper: surface colorant or coating pigment for blue-tinted specialty papers and boards
- It delivers intense, stable coloration on paper, textiles, and coated surfaces.
Good to know: Consistent hue and substrate adhesion are critical to print quality.
Commercial specifications
- Varying particle size distributions for different dispersion and coating requirements
- Specifications defined by pigment strength, moisture content, and particle fineness
- Bulk and packaged formats
Other Names (Synonyms)
Ammonium iron hexacyanoferrate|Ammonium iron (III) hexacyanoferrate|Ammonium iron(3+) hexakis(cyano-C)ferrate(4-)|9R0NVI936I|Ferrate(4-), hexakis(cyano-C)-, ammonium iron(3+) (1:1:1), (OC-6-11)-|AFCF|Ammonium-ferric-cyano-ferrate(II)|RefChem:140253
What are the physical properties of Ferric ammonium ferrocyanide?
Water Solubility Soluble in water and mineral acids. Insoluble in alkali.
Log P -0.250 (est)