Red 30 Lake (CI 73360)

AKA: Vat red 1, D&C Red No. 30, Dye Red No. 30, Dye dc Red No. 30, 5'-Dichloro-3, 3'-dimethyl-thioindigo

Synthetic

Colorant

Not Clean

OriginRed 30 Lake is synthesized from Amaranth (FD&C Red No. 2), an azo dye compound derived from coal tar or petroleum sources. The dye is precipitated onto an aluminum hydroxide substrate through a lake-making process to create an insoluble pigment.

Red 30 Lake (CI 73360) is a cosmetic ingredient.

Formula

C18H10Cl2O2S2

Mol. Weight

393.3

CAS #

2379-74-0

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.

Adds Color

EWG

CIR

Safe

Pregnancy

Yes

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: PubChem · CosIng · EWG · CIR