Tags: Chemical Compound, Chemical Substance.
Orange GGN also known as alpha-naphthol orange was previously a food dye. It is the disodium salt of 1-(m-sulfophenylazo)-2-naphthol-6-sulfonic acid. In Europe it was previously denoted by the E Number E111 previously but has been forbidden for use in foods since 1 January 1978 (EU directive 76/399/EEC). It has never been included in the food additives list of the Codex Alimentarius.