Is Pigment Blue 27 vegetarian?
Pigment Blue 27
Vegetarian
Vegetarian
Vegan
Vegan
Pigment Blue 27, also known as Prussian Blue, is a synthetic inorganic pigment with the formula Fe4[Fe(CN)6]3, produced by oxidation of ferrous ferrocyanide salts.
| Also known as | 25869-00-5, Berlin Blue, Ferric Ammonium Ferrocyanide, Ferric Ammonium Ferrocyanide/Prussian blue/CI 77510, Ferric Ferrocyanide, Iron(III) Hexacyanoferrate(II), Prussian Blue |
|---|---|
| INCI name | Pigment Blue 27 |
| CAS number | 14038-43-8 |
| EC number | 237-875-5 |
| CI number | CI 77510 |
| CosIng ID | 88087 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.
