Regulatory Status
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Safety Data
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Expert Verdict
Safe inorganic blue colorant (Prussian Blue / CI 77510) approved in EU for all cosmetics and in US excluding lip products; cyanide is tightly bound and toxicologically inert at permitted levels
Regulatory Flags
Frequently Asked Questions
Is Ferric Ammonium Ferrocyanide safe in cosmetics?
Safe inorganic blue colorant (Prussian Blue / CI 77510) approved in EU for all cosmetics and in US excluding lip products; cyanide is tightly bound and toxicologically inert at permitted levels The EU classifies Ferric Ammonium Ferrocyanide as "permitted". Safety rating: GOOD.
Is Ferric Ammonium Ferrocyanide allowed in the EU?
Ferric Ammonium Ferrocyanide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ferric Ammonium Ferrocyanide do in cosmetics?
Ferric Ammonium Ferrocyanide functions as: Colorant. It is classified as a cosmetic ingredient in our database. CAS number: 25869-00-5.
What is the Margin of Safety for Ferric Ammonium Ferrocyanide?
Inorganic pigment; minimal systemic absorption; cyanide tightly iron-bound and not released The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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