ChemicalBook >> CAS DataBase List >>trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate structure

CAS No.: 6420-22-0

Chemical Name:: trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

Synonyms: C.I.23820;Direct Blue 295;Benzo Navy Blue BM;C.I.Direct Blue 295:C.I.23820;trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate;Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate;5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt;5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt;2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl [1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt;2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[4'-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-4-hydroxy-,sodium salt (1:3)

CBNumber:: CB0898166

Molecular Formula:: C34H29N6NaO11S3

Molecular Weight:: 816.81

MDL Number:

MOL File:: 6420-22-0.mol

Last updated:2026-05-27 22:57:59

Request For Quotation

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Properties

EPA Substance Registry System	2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt (6420-22-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H302-H318
Precautionary statements	P280-P305+P351+P338-P310-P264-P270-P301+P312-P330-P501
TSCA	TSCA listed

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Chemical Properties, Uses, Production

Preparation

3,3′-Dimethylbenzidine double nitriding, in alkaline conditions first and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue. Soluble in water for deep purple, soluble in ethanol. The strong sulfuric acid for blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark purple; Add thick sodium hydroxide solution for dark purple.

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

J acid 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate O-Tolidine

Preparation Products

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Suppliers

Global Suppliers ( 2)

Supplier	Tel	Email	Country	ProdList	Advantage
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569262 +86-15003564040	1056@dideu.com	China	3969	58

Supplier	Advantage
Alfa Chemistry	58
Shaanxi Dideu Medichem Co. Ltd	58

6420-22-0 (trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate) Related Search:

Oxamine blue 4r Direct Blue 29 Direct Blue 297 Direct Blue 291 Direct Blue 293

DIRECTBLUE296 Direct Blue 299 Direct Blue 290 Direct Blue 294

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trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl [1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt 5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt 5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt Benzo Navy Blue BM C.I.23820 trisodium,(3Z)-5-amino-3-[[4-[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate Direct Blue 295 C.I.Direct Blue 295:C.I.23820 2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[4'-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-4-hydroxy-,sodium salt (1:3) 6420-22-0 Organics