murphyRed 27 28? Lake (CI 45410)
molecular structure · PubChem
AKA: Acid red 27, Azorubin S, C.I. Acid Red 27, Bordeaux S, FD & C Red No. 2
Synthetic
Colorant
Not Clean
OriginSynthesized from aminonaphthalene sulfonic acid derivatives and azo coupling reactions, a member of the synthetic azo dye family. Produced through diazotization and coupling of aromatic amines followed by lake formation with aluminum hydroxide.
Red 27 28? Lake (CI 45410) is a cosmetic ingredient.
Formula
C20H11N2Na3O10S3
Mol. Weight
604.5
CAS #
915-67-3
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
Colors Hair
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR