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sunset yellow FCF

Structure via PubChem · Public domain (PubChem)

EntityQ410095· pop 33· linked from 51 articles

sunset yellow FCF

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Also known as Orange Yellow S, FD&C Yellow 6, C.I. 15985, E110, C.I. Food Yellow 3

chemical compound

Chemical data

Formula
C16H10N2Na2O7S2
Molecular weight
452.4 g/mol
IUPAC name
disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
SMILES
C1=CC(=CC=C1N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)[O-])O)S(=O)(=O)[O-].[Na+].[Na+]
InChIKey
OIQPTROHQCGFEF-UHFFFAOYSA-L
Polar surface area
176 Ų
H-bond donors
1
H-bond acceptors
9
Formal charge
0

via PubChem

Wikidata facts

Has part
carbon
Mass
451.97248121999996
Show 6 more facts
chemical formula
C₁₆H₁₀Na₂O₇S₂N₂
canonical SMILES
C1=CC(=C(C2=CC=C(C=C12)S(O)(=O)=O)N=NC3=CC=C(C=C3)S([O-])(=O)=O)[O-].[Na+].[Na+]
melting point
300
NCI Thesaurus ID
C71636
Commons category
Sunset Yellow
isomeric SMILES
O=S(=O)([O-])c1ccc(/N=N/c2c([O-])ccc3cc(S(=O)(=O)O)ccc23)cc1.[Na+].[Na+]
Sources (2)

via Wikidata · CC0

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Encyclopedic overview

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. 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.

Uses

Excerpted from Wikipedia’s “sunset yellow FCF” article, available under the CC BY-SA 4.0 licence.