Agent Name

FD&C Yellow 2

Alternative Name

Naphthol Yellow S

CAS Number

549-34-8

Formula

C10-H6-N2-O8-S.2K

Major Category

Dyes

Synonyms

FD&C Yellow No. 2; FD and C Yellow No. 2; Flavianic acid dipotassium salt; 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic acid dipotassium salt; Sulfur Yellow S; 2-Naphthalenesulfonic acid, 5,7-dinitro-8-hydroxy-, dipotassium salt; [ChemIDplus]

Category

Other Dyes

Restricted

Withdrawn for use as a coloring agent in foods in 1984; [JECFA]

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