From Wikipedia, the free encyclopedia
| Quinoline Yellow SS
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| Other names[hide]
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
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| Identifiers
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| CAS number
| 8003-22-3 
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| ChemSpider
| 6475
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| EC number
| 232-318-2
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| ChEBI
| CHEBI:53700
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| Jmol-3D images
| Image 1
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| SMILES
[show]
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| InChI
[show]
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| Properties
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| Molecular formula
| C18H11NO2
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| Molar mass
| 273.29 g/mol
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| Appearance
| Yellow powder
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| Melting point
| 240 °C, 513 K, 464 °F
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| Solubility in water
| Insoluble
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| Hazards
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| R-phrases
| R20/21 R33
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 (verify) (what is:  /  ?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
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| Infobox references
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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.
