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Quinoline Yellow WS

Catalog Number DYE-AFC-0001
CAS Number 8004-92-0
Structure
Description Quinoline Yellow WS is a mixture of disulfonates (principally), monosulfonates and trisulfonates of 2-(2-quinolyl)indan-1,3-dione with a maximum absorption wavelength of 416 nm.
Synonyms C.I. Acid Yellow 3, Food Yellow 13, D&C Yellow No. 10, Acid yellow 3, Quinidine Yellow KT, Japan Yellow 203, Lemon Yellow ZN 3, C.I. 47005
IUPAC Name Sodium 2-(1,3-dioxoindan-2-yl)quinolinedisulfonate
Molecular Weight 477.38
Molecular Formula C18H13NO5/8/11S1/2/3Na1/2/3
Canonical SMILES [Na+].[Na+].[O-]S(=O)(=O)c1cc(cc2ccc(nc12)C4C(=O)c3ccccc3C4=O)S([O-])(=O)=O
InChI 1S/C18H11NO8S2.2Na/c20-17-11-3-1-2-4-12(11)18(21)15(17)13-6-5-9-7-10(28(22,23)24)8-14(16(9)19-13)29(25,26)27;;/h1-8,15H,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
InChI Key FZUOVNMHEAPVBW-UHFFFAOYSA-L
Melting Point 150 °C (302 °F; 423 K) (decomposes)
Solubility Soluble in water
Appearance Greenish yellow powder
Application Quinoline Yellow is used as a greenish yellow food additive. It is permitted in beverages and is used in foods, like sauces, decorations, and coatings.
CI Number C.I. 47005
EC Number 305-897-5
E Number E104

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