2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dipotassium salt

Name	Acid Black 210
Synonyms	Black NT C.I. 300285 Acid Black BNG Acid Black 210 Weak Acid Black 3G C.I. Acid black 210 C.I. Acid Black 210 2,7-Naphthalenedisulfonic acid, 4-amino-6-((4-(((4-((2,4-diaminophenyl)azo)phenyl)amino)sulfon 2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dipotassium salt 4-Amino-6-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]sulfonyl]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid dipotassium salt
CAS	99576-15-5
EINECS	619-444-7

EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	for dyeing wool, silk, cotton, viscose, especially suitable for leather dyeing weak acid black RB is suitable for dyeing wool, silk, nylon, viscose fiber and other fabrics. Especially suitable for leather coloring.
production method	with 4,4 '-diaminobenzenesulfonyl aniline, H acid, P-nitroaniline and M-phenylenediamine as raw materials, firstly 4,4'-diaminobenzenesulfonyl aniline is double nitrided and then coupled with H acid, then p-Nitroaniline is diazotized, a second coupling is carried out with the first coupling product, and finally a third coupling is carried out with M-phenylenediamine to obtain the product...

Last Update：2024-04-09 19:05:15

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Product Name: Acid Black 210 Visit Supplier Webpage Request for quotation
CAS: 99576-15-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409

Wechat: 18301782025

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2,7-Naphthalenedisulfonic acid, 4-amino-6-4-4-(2,4-diaminophenyl)azophenylaminosulfonylphenylazo-5-hydroxy-3-(4-nitrophenyl)azo-, dipotassium salt Request for Quotation