CA Index Name: 2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)
Other Names: 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(4-sulfophenyl)azo]-, disodium salt; C.I. Food Yellow 3; C.I. Food Yellow 3, disodium salt; Sunset Yellow FCF; 1-p-Sulfophenylazo-2-hydroxynaphthalene-6-sulfonate disodium salt; 1351 Yellow; 1899 Yellow; Acid Food Yellow 3; Acid Yellow TRA; Aizen Food Yellow 5; Alabaster No. 3; Atul Sunset Yellow FCF; C Orange 10; C.I. 15985; Canacert Sunset Yellow FCF; Certicol Sunset Yellow CFS; Cilefa Orange S; Cogilor Orange 213.11; D and C Yellow No. 6; Dolkwal Sunset Yellow; E 110; E 110 (dye); Edicol Supra Yellow FC; Eniacid Sunset Yellow; Eurocert Orange FCF; FD & C Yellow 6; FD and C Yellow 6; FD and C Yellow No. 6; FD&C Yellow No. 6; Food Yellow 3; Food Yellow 5; Food Yellow No. 5; HD Sunset Yellow FCF; HD Sunset Yellow FCF Supra; Hex-acol Sunset Yellow FCF; Hexacol Sunset Yellow FCF Supra; INS 110; Japan Food Yellow No. 5; Japan Yellow 5; Japan Yellow No. 5; KCA Foodcol Sunset Yellow FCF; L Orange Z 2010; Maple Sunset Yellow FCF; Orange G; Orange II R; Orange PAL; Orange Yellow 85; Orange Yellow S; Orange Yellow SFQ; Orient Water Yellow 2; Para Orange; Sun Orange A Geigy; Sun Yellow; Sun Yellow Extra Conc. A Export; Sun Yellow Extra Pure A; Sun Yellow FCF; Sunlight Yellow FCF; Sunset Yellow; Sunset Yellow 6; Twilight yellow; Usacert Yellow No. 6; Vitasyn Orange RGL 90; Water Yellow 2; Yellow 6; Yellow No. 5; Yellow No. 6; Yellow Orange S; Yellow S; Yellow SY; Yellow Sun
Merck Index Number: 9001
Chemical / Dye Class: Azo
Molecular Formula: C16H10N2Na2O7S2
Molecular Weight: 452.37
Physical Form: Orange-red crystals
Solubility: Soluble in water, ethanol
Melting Point: 390 °C (decompose)
Absorption (λmax): 480 nm
Synthesis: Synthetic methods
Staining Applications: Cells; animal feed; bakery products; candies; beverages; bread; cereal; confectionery products; cough syrup; dairy products; dietary supplement; drinks; frozen food product; grape extract; meat products; soft drinks; soup; sweeteners; syrup; capsule; tablets; dental bleaching gel; eyebrows; eye shadows; lips; skin; tattoos; tooth; hairs; keratin fibers
Biological Applications: Medical devices; treating bone metabolic diseases, dermatological disorders, mitochondrial diseases, respiratory illness
Industrial Applications: Inks; paints; thermo-plastics; batteries; cleansing products; colored bubbles; textiles; toys
Safety / Toxicity: Acute toxicity; carcinogenicity; childhood behavior effects; chromosomal aberration; cytotoxicity; genotoxicity; mutagenicity; neurotoxicity; reproductive toxicity
Certification / Approval: Approved by Food & Drugs Administration (FDA)