FD&C Yellow No. 5 & No. 6

FD&C Yellow No. 5 (Tartrazine) and FD&C Yellow No. 6 (Sunset Yellow FCF) are synthetic color additives. They are petroleum-derived dyes created through chemical synthesis.

These dyes are added to foods to impart a yellow or orange color. They are commonly found in products like candy, seasoning mixes, salts, marinades, and noodles to enhance visual appeal.

FD&C Yellow No. 5 and FD&C Yellow No. 6 are approved by the FDA as food color additives. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, which includes FD&C Yellow No. 5 and FD&C Yellow No. 6. Some studies have suggested a link between synthetic food dyes, including Yellow 5 and Yellow 6, and hyperactivity in some children; however, the evidence is mixed, and regulatory bodies continue to evaluate the research. JECFA has evaluated both FD&C Yellow No. 5 and FD&C Yellow No. 6 and has set acceptable daily intakes. EFSA has also evaluated these dyes.