Quinoline Yellow SS

Quinoline Yellow SS, Quinoline Yellow, spirit soluble, Solvent Yellow 33, C.I. Solvent Yellow 33, D&C Yellow #11, Quinoline Yellow A, Quinoline yellow for microscopy, Yellow No. 204, or C.I. 47000 is a bright yellow dye with green shade, insoluble in water, soluble in nonpolar organic solvents. It may cause contact dermatitis. It has the appearance of a yellow powder with melting point of 240 °C.

Its EINECS number is 232-318-2.

Quinoline Yellow SS is used in spirit lacquers, polystyrene, polycarbonates, polyamides, acrylic resins, and to color hydrocarbon solvents. It is also used in externally applied drugs and cosmetics. Quinoline Yellow SS is used in some yellow colored smoke formulations.

Its risks phrases are.

When sulfonated, it forms a water soluble derivate, Quinoline Yellow WS.

See also:
 * Quinoline Yellow WS