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ChemicalBook >> CAS DataBase List >>4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt

4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt

4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Structure
4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt structure
CAS No.
5850-33-9
Chemical Name:
4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.20435;Acid Blue 128;C.I.Acid Blue 128;Acilan Fast Green BBL;C.I.Acid Blue 128:C.I.20435;4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt;disodium,(3Z)-5-amino-3-[(5-chloro-2-phenoxyphenyl)hydrazinylidene]-6-[(2,5-dichlorophenyl)diazenyl]-4-oxonaphthalene-2,7-disulfonate
CBNumber:
CB32320488
Molecular Formula:
C28H18Cl3N5O8S2.2Na
Molecular Weight:
768.95
MDL Number:
MOL File:
5850-33-9.mol
Last updated:2025-12-31 14:38:37
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4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Properties

EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 4-amino-6-[(5-chloro-2-phenoxyphenyl)azo]-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-, disodium salt (5850-33-9)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties, Uses, Production

Preparation

2,5-Dichlorobenzenamine diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidin acid conditions coupled, then and diazo of 5-Chloro-2-phenoxybenzenamine in alkaline conditions coupled.

Properties and Applications

dark green light blue. Soluble in water, slightly soluble in ethanol to blue. The strong sulfuric acid for dark blue-green, diluted to blue. Join strong hydrochloric acid in aqueous solution for green light blue; Add sodium hydroxide to blue.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3-4 2-3 3 3-4 2-3 3-4 3-4

4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

Raw materials

5-Chloro-2-phenoxyaniline 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate 2,5-Dichloroaniline

Preparation Products

5850-33-9 (4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt) Related Search:

Fast acid violet 10B Acid Blue 127 sodium hydrogen -2-ethoxy-5-[[4-[[4-[(4-ethoxy-3-sulphonatophenyl)amino]phenyl]-(1H-indol-3-yl-1-methyl-2-phenyl)methylene]-2,5-cyclohexadien-1-ylidene]amino]benzenesulphonate 5-Hydroxy-4-[[4-(phenylamino)-5-sulfo-1-naphthalenyl]azo]-1-naphthalenesulfonic acid disodium salt Acid Blue 129:1
Acid Blue 127:1 Acid Blue 138 Acid Blue 129 5-(Acetylamino)-1-amino-4-(cyclohexylamino)-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt Naphthalene-2,7-disulfonic acid

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4-Amino-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-6-[(5-chloro-2-phenoxyphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Acilan Fast Green BBL C.I.20435 C.I.Acid Blue 128 disodium,(3Z)-5-amino-3-[(5-chloro-2-phenoxyphenyl)hydrazinylidene]-6-[(2,5-dichlorophenyl)diazenyl]-4-oxonaphthalene-2,7-disulfonate Acid Blue 128 C.I.Acid Blue 128:C.I.20435 5850-33-9