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Sunset yellow FCF

Catalog Number DYE-AFC-0003
CAS Number 2783-94-0
Description Sunset Yellow FCF is a petroleum-derived orange azo dye with a pH-dependent absorption maximum at about 480 nm at pH 1 and a shoulder at 443 nm at pH 13.
Synonyms Orange Yellow S, Yellow 6, C.I. 15985, E110
IUPAC Name Disodium 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonate
Molecular Weight 452.36
Molecular Formula C16H10N2Na2O7S2
Canonical SMILES [Na+].[Na+].[O-]S(=O)(=O)c1ccc(cc1)/N=N/c2c3ccc(cc3ccc2O)S([O-])(=O)=O
InChI 1S/C16H12N2O7S2.2Na/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;
InChI Key OIQPTROHQCGFEF-QIKYXUGXSA-L
Melting Point 300 °C (572 °F; 573 K)
Application Sunset Yellow FCF is used in food, cosmetics, and pharmaceuticals. It is used as an orange or yellow-orange dye. For example, it is used in candies, desserts, snacks, sauces, and preserved fruits.
CI Number C.I. 15985
E Number E110

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