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4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt

4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Structure
CAS No.
6449-84-9
Chemical Name:
4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt
Synonyms
C.I.31500;Diazo Brown 3R;Direct Brown 158;C.I.Direct Brown 138;C.I.Direct Brown 158:C.I.30070;4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt;Benzoic acid, 5-((4'-((2,4-diamino-5-((4-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt
CBNumber:
CB92444100
Molecular Formula:
C32H27N8NaO6S
Molecular Weight:
674.67
MOL File:
6449-84-9.mol
Request For Quotation

4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Properties

EPA Substance Registry System C.I. Direct Brown 138 (6449-84-9)

4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxy-3-methylbenzoic acid coupling, and then and 4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.

Properties and Applications

brown. Soluble in water for orange brown. The strong sulfuric acid to red light purple, for orange after diluted. The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for red light brown, and with orange brown will sink.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain

4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt Preparation Products And Raw materials

Raw materials

Sulfanilic acid Benzidine m-Phenylenediamine 3-Methylsalicylic acid

Preparation Products

6449-84-9(4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt)Related Search:

[1,1'-Biphenyl]-3,3'-dicarboxylic acid, 4-[[4,5-dihydro-3-methyl-5-oxo-1-(6-sulfo-2-naphthalenyl)-1H-pyrazol-4-yl]azo]-4'-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-, trisodium salt Direct Brown 159 Direct Brown 161 [1,1'-Biphenyl]-3,3'-dicarboxylic acid, 4-[(6-carboxy-1,7-dihydroxy-3-sulfo-2-naphthalenyl)azo]-4'-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-, tetrasodium salt 4-Amino-5-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
3,5-Diamino-4-chloro-2-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]-1,1'-biphenyl-4-yl]azo]benzenesulfonic acid disodium salt Direct Brown 171 disodium 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-3-methylsalicylate C.I. Direct Brown 166
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Benzoic acid, 5-((4'-((2,4-diamino-5-((4-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt C.I.31500 C.I.Direct Brown 138 Diazo Brown 3R Direct Brown 158 C.I.Direct Brown 158:C.I.30070 6449-84-9