Sunset yellow FCF

Sunset yellow FCF (also known as orange yellow S, or C.I. 15985) is a petroleum-derived orange azo dye with a pH dependent maximum absorption at about 480 nm at pH 1 and 443 nm at pH 13 with a shoulder at 500 nm.: 463  When added to foods sold in the United States it is known as FD&C Yellow 6; when sold in Europe, it is denoted by E Number E110.

Sunset yellow FCF
Names
IUPAC name
Disodium 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonate
Other names
Orange Yellow S; FD&C Yellow 6; C.I. 15985; E110
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.018.629
E number E110 (colours)
KEGG
UNII
  • 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+;; Y
    Key: OIQPTROHQCGFEF-QIKYXUGXSA-L Y
  • InChI=1/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+;;
    Key: OIQPTROHQCGFEF-JLAJEUQUBH
  • [Na+].[Na+].[O-]S(=O)(=O)c1ccc(cc1)/N=N/c2c3ccc(cc3ccc2O)S([O-])(=O)=O
Properties
C16H10N2Na2O7S2
Molar mass 452.36 g·mol−1
Melting point 300 °C (572 °F; 573 K)
Hazards
NFPA 704 (fire diamond)
2
1
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.