CheckVegan

Is Pigment Blue 27 vegan?

Pigment Blue 27

Vegan Vegan
Vegetarian Vegetarian

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 vegan if it contains no animal-derived components at any point in its production.

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