1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt

Product Name
1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
CAS No.
6375-57-1
Chemical Name
1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
Synonyms
Acid Brown 32;C.I.Acid Brown 32:C.I. 23000;1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
CBNumber
CB24765989
Molecular Formula
C28H18Cl2N7Na3O10S3
Formula Weight
848.55373
MOL File
6375-57-1.mol
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Hazard and Precautionary Statements (GHS)

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1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt Chemical Properties,Usage,Production

Preparation

4-(4-Amino-2-chlorophenyl)-3-chlorobenzenamine double nitriding, in acid conditions and 4,6-Diaminobenzene-1,3-disulfonic acid, and then in three alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling.

Properties and Applications

red light brown. Soluble in water for orange brown, slightly soluble in ethanol for orange red. For the strong sulfuric acid in purplish red, orange is palm diluted. In water solution to join strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for orange brown.

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

1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt Suppliers

6375-57-1, 1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium saltRelated Search:


  • 1,3-Benzenedisulfonic acid, 4,6-diamino-5-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2,2'-dichloro[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
  • C.I.Acid Brown 32:C.I. 23000
  • Acid Brown 32
  • 6375-57-1