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Direct Green 22

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Direct Green 22 Basic information
Product Name:Direct Green 22
Synonyms:Direct Green 22;C.I.Direct Green 22:C.I.31775
CAS:
MF:
MW:0
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Mol File:Mol File
Direct Green 22 Structure
Direct Green 22 Chemical Properties
Safety Information
MSDS Information
Direct Green 22 Usage And Synthesis
Preparation4-(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 Applicationsdark 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.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 3 3 1-2 2-3
Direct Green 22 Preparation Products And Raw materials
Raw materials1-Naphthylamine-7-sulfonic acid-->Salicylic acid-->4,5-dihydroxynaphthalene-1-sulphonic acid-->Benzidine
Tag: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