Quinoline Yellow SS

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Quinoline Yellow SS


Other names Quinoline Yellow, spirit soluble; Solvent Yellow 33; C.I. Solvent Yellow 33; FD&C Yellow #11; Quinoline Yellow A; Quinoline yellow for microscopy; Yellow No. 204; C.I. 47000
Identifiers
CAS number	8003-22-3 ^Y
ChemSpider	6475^Y
EC number	232-318-2
ChEBI	CHEBI:53700^Y
Jmol-3D images	Image 1
SMILES O=C(c3ccccc3C4=O)/C4=C2N c1ccccc1C=C\2
InChI InChI=1S/C18H11NO2/c20-17-12-6-2-3-7-13(12)18(21)16(17)15-10-9-11-5-1-4-8-14(11)19-15/h1-10,16H^Y Key: IZMJMCDDWKSTTK-UHFFFAOYSA-N^Y
Properties
Molecular formula	C₁₈H₁₁NO₂
Molar mass	273.29 g/mol
Appearance	Yellow powder
Melting point	240 °C; 464 °F; 513 K
Solubility in water	Insoluble
Hazards
R-phrases	R20/21 R33
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Quinoline Yellow SS is a bright yellow dye with green shade. It is insoluble in water, but soluble in nonpolar organic solvents. It may cause contact dermatitis. It has the appearance of a yellow powder with a melting point of 240 °C.

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.

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

References

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