Quinizarine Green SS
Quinizarine Green SS, also called Solvent Green 3 is an anthraquinone derivative. It is a black powder that is soluble in polar organic solvents, but insoluble in water. It is used as a dye for adding greenish coloring to cosmetics and medications. It is used in some colored smoke formulations.
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Names | |
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IUPAC name
Quinizarine Green SS | |
Other names
C.I. Solvent Green 3; 1,4-bis[(4-methylphenyl)amino]-9,10-Anthracenedione; D & C Green No.6; 1,4-Bis(p-tolylamino)anthraquinone; 1,4-Bis(p-toluidino)anthraquinone; C.I. 61565; Oil Green G; | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.004.464 ![]() |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C28H22N2O2 | |
Molar mass | 418.496 g·mol−1 |
Appearance | Black powder[1] |
Melting point | 220 to 221 °C (428 to 430 °F; 493 to 494 K)[1] |
Insoluble[1] | |
Hazards | |
R-phrases (outdated) | R36/37/38 |
S-phrases (outdated) | S26, S36 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Infobox references | |
According to X-ray crystallography, the anthroquinone portion of the molecule is planar. Both amine protons form hydrogen bonds to the carbonyls.[2]
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Structure of Quinizarine Green SS.
This dye is a component in some smoke grenades, and questions have been raised about its toxicity.[3]
References
- C.I. SOLVENT GREEN 3
- T.Saito, Chong-yang Liu, V.M.Lynch, A.J.Bard (1997). "Orientational Dependence of the Color and Photoconductivity of 1,4-Di-p-toluidinoanthraquinone Single Crystals". Chem. Mater. 210 (6): 1318. doi:10.1021/cm960652f.CS1 maint: uses authors parameter (link)
- "Toxicity of Military Smokes and Obscurants". 1999.
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