C.I.34270;Direct Green 33;C.I.Direct Green 33;Sirius Supra Green BB;Triantine Light Green BL;Direct green 33 (C.I. 34270);C.I.Direct Green 33:C.I.34270;8'-Acetylamino-2-ethoxy-1'-hydroxy-4-[[3,5-dimethyl-4-[(8-sodiosulfo-2-naphthalenyl)azo]phenyl]azo][1,2'-azobisnaphthalene]-3',6,6'-trisulfonic acid trisodium salt;tetrasodium 5-(acetylamino)-3-[[4-[[3,5-dimethyl-4-[(8-sulphonato-2-naphthyl)azo]phenyl]azo]-2-ethoxy-6-sulphonato-1-naphthyl]azo]-4-hydroxynaphthalene-2,7-disulphonate;tetrasodium,(3Z)-5-acetamido-3-[[4-[[3,5-dimethyl-4-[(8-sulfonatonaphthalen-2-yl)diazenyl]phenyl]diazenyl]-2-ethoxy-6-sulfonatonaphthalen-1-yl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
Naphthalen-2-ol amine 8 diazo, and 3,5-Dimethylbenzenamine?coupling, again diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling (finally coupling is with the sodium bicarbonate water cut in Pyridine in).
Properties and Applications
green. Soluble in water for the green, soluble in ethanol. For the strong sulfuric acid, diluted is green. The dye solution to join strong hydrochloric acid have pale-green precipitation; Add thick sodium hydroxide solution for the green.
