6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt

6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt structure

CAS No.: 6486-31-3

Chemical Name:: 6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt

Synonyms: C.I.22040;Direct Brown V;Direct Brown 56;Enianil Brown V;Diaphtamine Brown V;C.I.Direct Brown 56;C.I.Direct Brown 56:C.I.22040;6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt;2-Naphthalenesulfonic acid, 6-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, monosodium salt

CBNumber:: CB92386884

Molecular Formula:: C28H22N7NaO4S

Molecular Weight:: 575.57355

MDL Number:

MOL File:: 6486-31-3.mol

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6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Properties

EPA Substance Registry System	C.I. Direct Brown 56 (6486-31-3)

6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first and Benzene-1,3-diamine coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.

Properties and Applications

dark red light brown to dark red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid for hidden cyan, diluted red for sauce. The dye solution to join strong hydrochloric acid for red sauce, precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3-4	3	3	3		2-3

6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt Preparation Products And Raw materials

Raw materials

6-Amino-4-hydroxy-2-naphthalenesulfonic acid Benzidine m-Phenylenediamine

Preparation Products

6486-31-3(6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt)Related Search:

Direct Brown 57 disodium 5-[[4'-[[4-[(4-hydroxyphenyl)azo]-6(or 7)-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate DIRECT BROWN 6 Benzoic acid, 5-[[4'-[[7-(dimethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt DIRECT BROWN 59

Direct Brown 61 Benzoic acid, 5-[[4'-[(2-amino-3-hydroxy-6-sulfo-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt C.I. Direct brown 62

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6-Amino-4-hydroxy-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2-sulfonic acid sodium salt C.I.22040 C.I.Direct Brown 56 Diaphtamine Brown V Direct Brown V Enianil Brown V 2-Naphthalenesulfonic acid, 6-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, monosodium salt Direct Brown 56 C.I.Direct Brown 56:C.I.22040 6486-31-3