Quinizarin Green SS
Structural Formula Vector Image
Title: Quinizarin Green SS
CAS Registry Number: 128-80-3
CAS Name: 1,4-Bis[(4-methylphenyl)amino]-9,10-anthracenedione
Additional Names: 1,4-di-p-toluidinoanthraquinone; D & C Green No. 6; C.I. Solvent Green 3; C.I. 61565
Molecular Formula: C28H22N2O2
Molecular Weight: 418.49
Percent Composition: C 80.36%, H 5.30%, N 6.69%, O 7.65%
Literature References: Discovered by R. E. Schmidt in 1894: Colour Index vol. 4 (3rd ed., 1971) p 4541.
Properties: Dark violet needles, mp 218°. Blue soln in conc H2SO4 giving a blue-green ppt on dilution.
Melting point: mp 218°
Use: For sutures: Fed. Regist. 40, 18167 (1975). Permitted for use in externally applied drugs and cosmetics: ibid. 47, 14138 (1982).

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