Quinoline yellow, Quinoline Yellow WS, C.I. 47005, or Food Yellow 13, is a yellow food dye with a maximum absorption wavelength of 416 nmp. 119. 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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Famous quotes containing the word yellow:
“Now the long-feared Asiatic colossus takes its turn as world leader, and we—the white race—have become the yellow man’s burden. Let us hope that he will treat us more kindly than we treated him.”
—Gore Vidal (b. 1925)