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Direct Green 43

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Direct Green 43 Basic information
Product Name:Direct Green 43
Synonyms:Direct Green 43;C.I.Direct Green 43:C.I.34280
CAS:
MF:
MW:0
EINECS:
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Mol File:Mol File
Direct Green 43 Structure
Direct Green 43 Chemical Properties
Safety Information
MSDS Information
Direct Green 43 Usage And Synthesis
Preparation5-Acetamido-8-amino-2-naphthalenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product to diazo, and 2-Methyl-2H-indazole coupling, and then hydrolysis acetyl amino.
Properties and Applicationsdark blue light green. Soluble in water for dark green light grey-blue, soluble in ethanol.concentrated sulfuric acid in light gray black, Gray light purple for diluted. The dye solution to join strong hydrochloric acid have blue-ray black precipitation, add thick sodium hydroxide solution for red light blue-black, precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 3-4 3 4 4
Tag:Direct Green 43 Related Product Information
Direct Green 55 4-[(4-Amino-2-sodiosulfophenyl)azo]-2-ethoxy-1'-hydroxy-6'-[[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoyl]amino][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate DIAMINE GREEN B Direct Green 59 1-Naphthalenesulfonic acid, 6-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-8-hydroxy-6-sulfo-1-naphthalenyl]azo]-, trisodium salt Direct Green 58 1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, monosodium salt