2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) structure

CAS No.: 6486-54-0

Chemical Name:: 2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)

Synonyms: Direct Black 131;C.I.Direct Black 131:C.I.30270;4-amino-3-[[4-[4-[(1-amino-5-sulfonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid;2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3)

CBNumber:: CB83293209

Molecular Formula:: C38H28N8O10S3

Molecular Weight:: 852.87152

MDL Number:

MOL File:: 6486-54-0.mol

Request For Quotation

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) Properties

EPA Substance Registry System	C.I. Direct Black 131 (6486-54-0)

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, aniline diazo, in alkaline conditions and accidentally coupled nitrogen compounds, and then and 5-Aminonaphthalene-1-sulfonic acid coupling.

Properties and Applications

navy blue green light to the dark. Soluble in water for deep blue light gray, slightly soluble in alcohol. The strong sulfuric acid for blue-ray in black, Gray light blue for diluted.

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) Preparation Products And Raw materials

Raw materials

Benzidine Aniline 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate 5-Amino-1-naphthalenesulfonic acid

Preparation Products

6486-54-0(2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3))Related Search:

Direct Black 159 Direct Black 150 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt C.I. Direct Black 13 disodium 4-amino-3-[[4-[(2-amino-4-hydroxyphenyl)azo]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

Direct Black 154 2-Naphthalenesulfonic acid, 6-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]-3-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, disodium salt C.I. Direct Black 151 4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt

1of2

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(1-amino-5-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:3) 4-amino-3-[[4-[4-[(1-amino-5-sulfonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid Direct Black 131 C.I.Direct Black 131:C.I.30270 6486-54-0 C38H28N8O10S33Na