7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt

CAS No.: 6661-39-8

Chemical Name:: 7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt

Synonyms: C.I.35085;Direct Blue 131;Diazo Navy Blue BP;C.I.Direct Blue 131;C.I.Direct Blue 131:C.I.35085;2-Naphthalenesulfonic acid, 7-amino-3-((4'-((6-amino-5-((4-aminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-8-((4-amino-2-sulfophenyl)azo)-4-hydroxy-, trisodium salt;7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt

CBNumber:: CB52152841

Molecular Formula:: C44H34N12O11S3.3Na

Molecular Weight:: 1072

MDL Number:

MOL File:: 6661-39-8.mol

Request For Quotation

7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt Properties

EPA Substance Registry System	C.I. Direct Blue 131 (6661-39-8)

7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt Chemical Properties,Uses,Production

Preparation

2-Amino-5-nitrobenzenesulfonic acid diazo, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, 4-(4-Aminophenyl)benzenamine?double nitriding, first alkaline conditions and formation of accidentally coupled nitrogen compounds, and then in alkaline conditions and 4-Nitrobenzenamine diazo, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and the product of three to three, and then will the nitro reduction.

Properties and Applications

navy blue. Soluble in water for dark red sauce, slightly soluble in alcohol. In the dark for the strong sulfuric acid, diluted red for sauce. The dye solution to join strong hydrochloric acid for dark red sauce, precipitation; Add thick dark Red sauce for sodium hydroxide solution, precipitation

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	4	4	2-3		2

7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt Preparation Products And Raw materials

Raw materials

4-NITRO-2-SULFOANILINE Benzidine J acid 4-Nitroaniline

Preparation Products

6661-39-8(7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt)Related Search:

2-Naphthalenesulfonic acid, 5-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-6-hydroxy-, disodium salt 8-[(4-Amino-3-methoxyphenyl)azo]-6-ethoxy-5-[(2-hydroxy-6-sulfo-1-naphtyl)azo]-2-naphthalenesulfonic acid disodium salt 2-Naphthalenesulfonic acid, 8-amino-5-[[4-[(2-hydroxy-7-sulfo-1-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-, disodium salt 2-Naphthalenesulfonic acid, 6-amino-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-4-hydroxy-, disodium salt 2-Naphthalenesulfonic acid, 8-[(4-aminophenyl)azo]-5-[[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-7-sulfo-1-naphthalenyl]azo]-, disodium salt

1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[(4-amino-5-methoxy-2-methylphenyl)azo]-6(or7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-,trisodiumsalt 1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(4-amino-2,5-dimethylphenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, trisodium salt 4-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt

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7-Amino-3-[[4'-[[6-amino-5-[(4-aminophenyl)azo]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-8-[(4-amino-2-sodiosulfophenyl)azo]-4-hydroxynaphthalene-2-sulfonic acid sodium salt C.I.35085 C.I.Direct Blue 131 Diazo Navy Blue BP 2-Naphthalenesulfonic acid, 7-amino-3-((4'-((6-amino-5-((4-aminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-8-((4-amino-2-sulfophenyl)azo)-4-hydroxy-, trisodium salt C.I.Direct Blue 131:C.I.35085 Direct Blue 131 6661-39-8