Ferric ammonium ferrocyanide (CI 77510)

AKA: FERRIC AMMONIUM CITRATE, Ammonium ferric citrate, Iron ammonium citrate, Ferriseltz, Ammonium iron(III) citrate
Synthetic
Colorant
Not Clean
OriginSynthesized from iron salts and potassium ferrocyanide through chemical combination and precipitation reactions. Produced by mixing ferric compounds with ferrocyanide solutions to form the stable blue-green pigment complex.
Ferric ammonium ferrocyanide (CI 77510) is a cosmetic ingredient.
Formula
C6H11FeNO7+3
Mol. Weight
265.00
CAS #
1185-57-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cosmetic Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Hair Dyeing
Anti-Aging Benefits
Antioxidant Protection
Locks In Moisture
Colors Hair
EWG
4
CIR
Safe
Pregnancy
Yes
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR