2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt CAS#: 6222-43-1

2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt

Basic information Safety Supplier Related

2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Basic information

Product Name:

2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt

Synonyms:

2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt
Acid Violet 2
C.I.Acid Violet 2:C.I.17190

CAS:

6222-43-1

MF:

C27H18N3Na3O12S4

MW:

773.67403

EINECS:

612-960-3

Mol File:

6222-43-1.mol

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2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt Usage And Synthesis

Preparation

4-Aminonaphthalene-1-sulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, then use 4-Methylbenzene-1-sulfonyl chloride esterification.

Properties and Applications

red light purple. Mainly used for the wool dyeing and printing.

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

2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium saltSupplier

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2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt(6222-43-1)Related Product Information