Quinoline Yellow WS

Product Description

Name:Quinoline Yellow
Synonyms:2-(2-Quinolyl)-1,3-indandione disulfonic acid disodium salt; 2-(1,3-Dioxoindan-2-yl)quinolinedisulfonic acid sodium salt; Acid Yellow 3; Food Yellow 13; C.I. 47005
Molecular Formula: C₁₈H₁₃N_1O5/8/11S_1/2/3Na_1/2/3
Molecular Weight:477.38
CAS Registry Number:8004-92-0

Quinoline yellow, Quinoline Yellow WS, C.I. 47005, or Food Yellow 13, is a yellow food dye. Chemically it is a mixture of disulfonates (principally), monosulfonates and trisulfonates of 2-(2-quinolyl) indan-1,3-dione.

The color Quinoline Yellow SS (Spirit Soluble), which lacks the sulfonate groups, is a related form that is insoluble in water.

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