Regulatory Status
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Safety Data
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Expert Verdict
Extremely safe inorganic pigment with oral LD50 of 15,000 mg/kg; FDA-approved as oral therapeutic but restricted from use in lip products.
Frequently Asked Questions
Is Ferric Ferrocyanide (Prussian Blue) safe in cosmetics?
Extremely safe inorganic pigment with oral LD50 of 15,000 mg/kg; FDA-approved as oral therapeutic but restricted from use in lip products. The EU classifies Ferric Ferrocyanide (Prussian Blue) as "permitted". Safety rating: EXCELLENT.
Is Ferric Ferrocyanide (Prussian Blue) allowed in the EU?
Ferric Ferrocyanide (Prussian Blue) EU regulatory status: permitted. Maximum allowed concentration: Must be free from cyanide ions (purity condition). This is based on EU Regulation 1223/2009 and its amendments.
What does Ferric Ferrocyanide (Prussian Blue) do in cosmetics?
Ferric Ferrocyanide (Prussian Blue) functions as: Colorant (blue). It is classified as a Colorant in our database. CAS number: 14038-43-8.
What is the Margin of Safety for Ferric Ferrocyanide (Prussian Blue)?
adequate 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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