Direct Green 22 Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, And then with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid ?coupling.

Properties and Applications

dark green to olive green. Soluble in water for olive green, and adequate soluble in ethanol for green light. The strong sulfuric acid for violet black, diluted for Light gray Light green. The dye solution to join strong hydrochloric acid for olive; Add thick sodium hydroxide solution for olive brown.

Direct Green 22()Related Product Information

• Cuprate(5-), [3-[[5-(hydroxy-κO)-6-[[2-(hydroxy-κO)-4-[[4-[2-[4-[(4-methoxyphenyl)azo]-2-sulfophenyl]ethenyl]-3-sulfophenyl]azo]-6-sulfo-1-naphthalenyl]azo-κN1]-7-sulfo-2-naphthalenyl]amino]benzoato(7-)]-, pentasodium
• Benzoic acid, 5-[[4'-[[1-amino-7-[(4-aminophenyl)azo]-8-hydroxy-4-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
• Benzoic acid, 5-4-4-4-(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino-2-sulfophenylamino-6-(phenylamino)-1,3,5-triazin-2-ylaminophenylazo-2-hydroxy-, 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
• 5-[[4-[[4-[[4-[[8-Acetylamino-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo]-3-ethoxy-7-sodiosulfo-1-naphthalenyl]azo]phenyl]aminocarbonyl]phenyl]azo]-2-hydroxybenzoic acid sodium salt
• 6'-[(4-Aminobenzoyl)amino]-2-ethoxy-4-[(2,5-dichloro-4-sodiosulfophenyl)azo]-1'-hydroxy-[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt
• Direct green 34 (C.I. 27970)
• tetrasodium [4-acetamido-5-hydroxy-6-[[2-hydroxy-4-[[4-[2-[4-[(4-methoxyphenyl)azo]-2-sulphophenyl]vinyl]-3-sulphophenyl]azo]-6-sulpho-1-naphthyl]azo]naphthalene-1-sulphonato(6-)]cuprate(4-)
• DIRECT GREEN 26