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.
Read more about Quinoline Yellow WS: Uses, Health Effects
Famous quotes containing the word yellow:
“When there was no more lantern in the kitchen,
The fire got out through crannies in the stove
And danced in yellow wrigglers on the ceiling,
As much at home as if they’d always danced there.”
—Robert Frost (1874–1963)