Quinizarine Green SS

Quinizarine Green SS

Names
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
CAS Number	128-80-3
ChemSpider	29146
Jmol interactive 3D	Image
PubChem	31416
InChI InChI=1S/C28H22N2O2/c1-17-7-11-19(12-8-17)29-23-15-16-24(30-20-13-9-18(2)10-14-20)26-25(23)27(31)21-5-3-4-6-22(21)28(26)32/h3-16,29-30H,1-2H3 Key: TVRGPOFMYCMNRB-UHFFFAOYSA-N InChI=1/C28H22N2O2/c1-17-7-11-19(12-8-17)29-23-15-16-24(30-20-13-9-18(2)10-14-20)26-25(23)27(31)21-5-3-4-6-22(21)28(26)32/h3-16,29-30H,1-2H3 Key: TVRGPOFMYCMNRB-UHFFFAOYAN
SMILES O=C2c1ccccc1C(=O)c3c2c(ccc3Nc4ccc(cc4)C)Nc5ccc(cc5)C
Properties
Chemical formula	C28H22N2O2
Molar mass	418.50 g·mol^−1
Appearance	Black powder[1]
Melting point	220 to 221 °C (428 to 430 °F; 493 to 494 K)[1]
Solubility in water	Insoluble[1]
Hazards
R-phrases	R36/37/38
S-phrases	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

Quinizarine Green SS, also called Solvent Green 3, C.I. 61565, Oil Green G, D&C Green #6, is a green dye, an anthraquinone derivative. It has the appearance of a black powder with melting point of 220-221 °C.^[1] It is insoluble in water. It is used for adding greenish coloring to materials. It is used in cosmetics and medications. It is used in some colored smoke formulations, in both old and new ones; when inhaled, it clears very slowly from the lung, with half time of 280 days.^[2]

References

1. C.I. SOLVENT GREEN 3
2. Solvent Green 3