Brilliant Black BN / Black PN (E 151)

Last reviewed October 19, 2026

In plain words: Brilliant Black BN, also called Black PN (E 151 / INS 151), is a synthetic black food color. It is a bis-azo dye.

Identity

Brilliant Black BN (Black PN). Number: E 151 / INS 151. Function: color (black, synthetic bis-azo). What it is: a synthetic azo dye.

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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.