Lithol Rubine BK (E 180)

Last reviewed October 19, 2026

In plain words: Lithol Rubine BK (E 180) is a synthetic red color pigment (a monoazo calcium pigment). In the US it is known as D&C Red No. 7, a color used in drugs and cosmetics.

Identity

Lithol Rubine BK. Number: E 180. Function: color (red pigment). Typical foods: in the EU, edible cheese rind only. What it is: a synthetic monoazo calcium pigment; known as D&C Red No. 7 in US drugs and cosmetics.

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This page is for general education. It is not medical advice and does not replace advice from your doctor, pediatrician, allergist or registered dietitian. Research changes; we review these pages when new evidence or rules come out. Last reviewed October 19, 2026.