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

CAS No.: 6486-58-4

Chemical 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: C.I.30305;Direct Green 19;C.I.Direct Green 19;C.I.Direct Green 19:C.I.30305;4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(1-naphthalenylazo)-, disodium salt

CBNumber:: CB52332010

Molecular Formula:: C38H28N7NaO8S2

Molecular Weight:: 797.79

MOL File:: 6486-58-4.mol

Request For Quotation

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

EPA Substance Registry System	C.I. Direct Green 19 (6486-58-4)

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,Uses,Production

Preparation

4-(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 Applications

dark 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 materials

Phenol Benzidine 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate 1-Naphthylamine

Preparation Products

6486-58-4(4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt)Related Search:

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

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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 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 6486-58-4