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4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt

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4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt Basic information
Product Name:4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt
Synonyms:4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt;C.I.30305;C.I.Direct Green 19;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(1-naphthalenylazo)-, disodium salt;C.I.Direct Green 19:C.I.30305;Direct Green 19
CAS:6486-58-4
MF:C38H28N7NaO8S2
MW:797.79
EINECS:
Product Categories:
Mol File:6486-58-4.mol
4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt Structure
4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt Chemical Properties
EPA Substance Registry SystemC.I. Direct Green 19 (6486-58-4)
Safety Information
MSDS Information
4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, first in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, Naphthalen-1-amine again diazo, in alkaline conditions and formation of accidentally coupled nitrogen compounds, and then coupled with phenol.
Properties and Applicationsdark green. Soluble in water for the green, and adequate soluble in ethanol is green. The strong sulfuric acid is a deep in the navy, diluted for light gray. The dye solution to join strong hydrochloric acid for a dark grey light green, precipitation, add thick sodium hydroxide solution have olive green precipitation.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 3 2 1-2 3
4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt Preparation Products And Raw materials
Raw materialsPhenol-->Benzidine-->8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate-->1-Naphthylamine
Tag:4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt(6486-58-4) Related Product Information
Direct Green 21:1 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt 4,5-Dihydroxy-3-[[2-ethoxy-4-[(8-sodiosulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]naphthalene-1-sulfonic acid sodium salt DIRECT GREEN 12 Direct Green 105 Direct Green 104 Benzoic acid, 5-[[4'-[[8-amino-7-[(2,5-disulfophenyl)azo]-1-hydroxy-5-sulfo-2-naphthalenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, tetrasodium salt C.I. Direct green 21 Direct Green 103