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Quinoline Yellow SS

Quinoline Yellow SS

Systematic name	Quinoline Yellow SS
Chemical formula	C₁₈H₁₁NO₂
Molecular mass	273.29 g/mol
Density	x.xxx g/cm³
Melting point	240 °C
Boiling point
CAS number	[8003-22-3]
SMILES	O=C(c3ccccc3C4=O)/C4=C2N c1ccccc1C=C\2
Disclaimer and references

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.

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Its CAS number is [8003-22-3] and its SMILES structure is O=C(c3ccccc3C4=O)/C4=C2 Nc1ccccc1C=C\2. 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 R20/21 R33.

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