1) Cat. No.: TRC-S825000; 2) Chemical Name: Sunset Yellow FCF ; 3) CAS No.: 2783-94-0; 4) Mol. Formula: C16H10N2Na2O7S2 ; 5) Mol. Weight: 452.37; 6) Packing Size: 1g / 10g; 7) Appearence: Red Solid; 8) Application Notes: Provisionally listed for use in food, drugs and cosmetics. Sunset Yellow is useful in fermented foods which must be heat treated. It may be found in orange sodas, orange jelly, marzipan, Swiss rolls, apricot jam, citrus marmalade, lemon curd, sweets, hot chocolate mix and packet soups, trifle mix, breadcrumbs, snack chips, shelf fresh noodles, cheese sauce mixes. 
Sunset Yellow is a sulfonated version of Sudan I, a possible carcinogen. Sunset Yellow itself may be responsible for causing an allergic reaction in people with an aspirin intolerance, resulting in various symptoms, including gastric upset, diarrhea, vomiting, nettle rash (urticaria), swelling of the skin (angioedema) and migraines. ; 9) Synonym: 6-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]-2-naphthalenesulfonic Acid Sodium Salt; 1-p-Sulfophenylazo-2-hydroxynaphthalene-6-sulfonate disodium salt; 1351 Yellow; 1899 Yellow; Acid Food Yellow 3; Yellow S; Yellow SY; Yellow Sun; ; 10) Solubility: DMSO, Water; 11) Storage condition: Amber Vial, Refrigerator; 12) References: Radomski, J.L., et al.: J. Pharmacol.  Exp. Ther., 136, 259 (1962), Gaunt, I.F., et al.: Food Cosmet. Toxicol., 5, 747 (1967),