2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)
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![2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2) structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/6379e99ba8f04b4fa7de2f9c970d9160.png "2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)")
2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)
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CAS No:
99576-15-5
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Formula:
C34H27N11O11S3.2K
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Chemical Name:
2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)
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Synonyms:
2,7-Naphthalenedisulfonic acid,4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-,potassium salt (1:2);2,7-Naphthalenedisulfonic acid,4-amino-6-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]sulfonyl]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-,dipotassium salt;C.I. Acid Black 210;Luganil Black TS;Acid Black 210;Coriamine Black NT;C.I. 300285;Luganil Black NT;Lederos 210;Acidal-Black CCX;Coriamine Black E 3G;Derma Carbon AF 135;Acid Black BRL;Coriamine Black 3G;Acid Black SF;Everlan Black NGS;Kemacid Black N.SPH;Ambicid Black G;Victalan Black J;Pacid Black 210;Vicoacid Black J;Basacid Black X 32 Liquid;Setaderm Black NT;Airedale Black FGT;Sandal Acid Black NT;Formo Leather Black Supra;Acid Black 6-GNR;Derma Carbon AF;Everlan Black FG;Ratna Acid Black NB;Dermacid Black NG;Everlan Black RS;Indacid Black NT;Triacor Black TNL;Acid Black NTR;Colocid Black NT;Acid Black AB;Vilmacor Black LT;Dycosacid Black NG;Acid Black NT;Basacid Black X32;Covasol Black NR;Covalene Black NR;Chemiderm Black TS;Ritaleather Black RNT;Everlan Black NG;Daedo Acid Black NT;Vilmacor Black NT;Airedale Black FGL;Dynacid Black 2AO;Apollo Leather Black NT;Korostan Black BN;Everlan Black GS;Lederos Black;Durapel Black NT;Baygenal Black TDE;201792-80-5
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CAS No:
2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2) Basic Attributes
938.02
937.017151
286-384-2
2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2) Use and Manufacturing
Using 4, 4'-diaminobenzenesulfonanilide, H acid, p-nitroaniline and m-phenylenediamine as raw materials, first double nitridation of 4, 4'-diaminobenzenesulfonanilide and then coupling with H acid , Then diazotize p-nitroaniline, couple with the first coupling product for the second time, and finally couple with m-phenylenediamine for the third time to obtain the product.
Weak acid black RB is suitable for dyeing wool, silk, nylon, viscose fiber and other fabrics. Especially suitable for leather coloring.
Recommended Suppliers of 2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)
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2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[4-[[[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]amino]sulfonyl]phenyl]diazenyl]-5-hydroxy-3-[2-(4-nitrophenyl)diazenyl]-, potassium salt (1:2)
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