Red 6 Lake (CI 15850)
molecular structure · PubChem
AKA: D&C Red No. 34, CI 15880, D & C Red no. 34, CI 15880:1 (Ca salt)
Synthetic
Colorant
Not Clean
OriginSynthesized from aniline and related aromatic compounds within the azo dye chemical family. Produced through diazotization and coupling reactions, then precipitated as a lake with alumina substrate.
Red 6 Lake (CI 15850) is a cosmetic ingredient.
Formula
C21H12CaN2O6S
Mol. Weight
460.5
CAS #
6417-83-0
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Cosmetic Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Provides red color to cosmetic products
Helps create aesthetic appearance in makeup
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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