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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.

According to X-ray crystallography, the anthroquinone portion of the molecule is planar. Both amine protons form hydrogen bonds to the carbonyls.[2]

Structure of Quinizarine Green SS.

This dye is a component in some smoke grenades, and questions have been raised about its toxicity.[3]

References

  1. ^ a b c C.I. SOLVENT GREEN 3
  2. ^ 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.
  3. ^ National Research Council (US) Subcommittee on Military Smokes Obscurants (1999). Toxicity of Military Smokes and Obscurants. doi:10.17226/9645. ISBN 978-0-309-06599-3. PMID 25077233.