CAS No 633-03-4 , [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,
5-dien-1-ylidene]-diethylazanium

Title: Brilliant Green
CAS Registry Number: 633-03-4
CAS Name: N-[4-[[4-(Diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium sulfate (1:1)
Synonyms: C.I. Basic Green 1; C.I. 42040; Malachite Green G; Emerald Green; Diamond Green G; Fast Green J; Solid Green
Molecular Formula: C27H34N2O4S
Molecular Weight: 482.63
Percent Composition: C 67.19%, H 7.10%, N 5.80%, O 13.26%, S 6.64%
Literature References: Prepn: Doebner, Ber. 13, 2222 (1880); Fischer, ibid. 14, 2521 (1881); Colour Index vol. 4 (3rd ed., 1971) p 4382. Toxicity: Anderson, Proc. Soc. Exp. Biol. Med. 31, 825 (1934). Antibacterial activity: O. H. Paetzold, Arch. Klin. Exp. Dermatol. 224, 90 (1966); idem, Arch. Dermatol. Forsch. 243, 1 (1972). Review: H. J. Conn's Biological Stains, R. D. Lillie, Ed. (Williams & Wilkins, Baltimore, 9th ed., 1977) pp 251-252, 580.
Properties: Minute, glistening, golden crystals. Soluble in water or alcohol with green color. Absorption max: 623 nm. Soln changes color from yellow to green at pH 0.0 to 2.6. LD100 i.v. in mice: 3 mg/kg (Anderson).
Absorption maximum: Absorption max: 623 nm
Toxicity data: LD100 i.v. in mice: 3 mg/kg (Anderson)
Use: Dyeing silk, wool, leather, jute and cotton yellowish-green; manuf green ink; biological stain; indicator.
Therap-Cat: Antiseptic.
Therap-Cat-Vet: Antiseptic for external and internal (oral) use. In wounds and scours.
Keywords: Antiseptic/Disinfectant; Dyes.