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

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

Formula

C18H10Cl2O2S2

Mol. Weight

393.3

CAS #

2379-74-0

Form

Powder

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

Traditional Use

A synthetic azo dye developed in the late 19th century as part of the synthetic colorant revolution in chemistry. It replaced natural colorants like carmine and cochineal in cosmetics and has been approved as a colorant in regulated markets since the early 20th century.