ChemicalBook >> CAS DataBase List >>trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate structure

CAS No.: 6739-62-4

Chemical Name:: trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate

Synonyms: C.I.30400;Einecs 229-801-5;C.I. Direct Black 91;VEVLZKXNXOGOGE-XHRYHXARSA-N;Direct black 91 (C.I. 30400);C.I.Direct Black 91:C.I.30400;C.I. Direct black 21, trisodium salt;1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulfo-1-naphthalenyl]azo]-5-nitro-y[ tris;benzoic acid, 2-[[2-amino-6-[[4'-[(3-carboxy-4-hydroxyphenyl)azo]-3,3'-dimethox;5-[[4'-[[6-Amino-5-[(2-carboxy-4-nitrophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt

CBNumber:: CB1919514

Molecular Formula:: C38H29N8NaO13S

Molecular Weight:: 860.74

MDL Number:: MFCD00231280

MOL File:: 6739-62-4.mol

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trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate Properties

EPA Substance Registry System	C.I. Direct Black 21, trisodium salt (6739-62-4)

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0002805	DIRECT BLACK 91 95.00%	6739-62-4	5MG	$495.67	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0002805	5MG	$495.67	Buy

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate Chemical Properties,Uses,Production

Uses

Direct Black 91 is used as a jet-printing ink with improved storage stability and nozzle clogging resistance. Direct Black 91 is a cotton fiber dye.

Preparation

3,3′-Dimethoxylbenzidine double nitriding, First coupled with 2-Hydroxybenzoic acid, coupled with the first again with 2-Amino-5-nitrobenzoic acid diazo, in acid conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and coupled the product of coupling.

Properties and Applications

red light black. Black powder. Soluble in water, the solution for the red light black, hard to stability. In dyeing of copper (a slight change color in a dark colored light iron ion. Used for cotton, viscose and their blended fabric dyeing, can be in cotton or viscose fabric direct printing can and dispersal dyes with bath dyeing.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fading	Stain	Fading	Stain
ISO	4	5	6-7	4-5		5
AATCC			7	5

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate Preparation Products And Raw materials

Raw materials

Preparation Products

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate Suppliers

Global( 3)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Shaanxi Dideu Newmaterial Co., Ltd.	029-63373950 15353716720	1052@dideu.com	China	10011	58

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
Shaanxi Dideu Newmaterial Co., Ltd.	58

trisodium 2-[[2-amino-6-[[4'-[(3-carboxylato-4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate C.I. Direct Black 91 1'-biphenyl]-4-yl]azo]-5-hydroxy-7-sulfo-1-naphthalenyl]azo]-5-nitro-y[ tris Direct black 91 (C.I. 30400) benzoic acid, 2-[[2-amino-6-[[4'-[(3-carboxy-4-hydroxyphenyl)azo]-3,3'-dimethox Benzoic acid, 2-[[2-amino-6-[[4'-[(3-carboxy-4-hydroxyphenyl)azo]-3,3'-dimethoxy(1,1'-biphenyl)-4-yl]azo]-5-hydroxy-7-sulfo-1-naphthalenyl]azo]-5-nitro-, trisodium salt 5-[[4'-[[6-Amino-5-[(2-carboxy-4-nitrophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-3,3'-dimethoxy-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid trisodium salt C.I.30400 Benzoic acid, 2-(2-(2-amino-6-(2-(4'-(2-(3-carboxy-4-hydroxyphenyl)diazenyl)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)diazenyl)-5-hydroxy-7-sulfo-1-naphthalenyl)diazenyl)-5-nitro-, sodium salt (1:3) C.I. Direct black 21, trisodium salt Einecs 229-801-5 Trisodium 2-((2-amino-6-((4'-((3-carboxylato-4-hydroxyphenyl)azo)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)azo)-5-hydroxy-7-sulphonato-1-naphthyl)azo)-5-nitrobenzoate VEVLZKXNXOGOGE-XHRYHXARSA-N 5-[[4-[4-[[6-amino-5-[(2-carboxylato-4-nitrophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-2-hydroxybenzoate trisodium,2-[[(6E)-2-amino-6-[[4-[4-[(2Z)-2-(3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-3-methoxyphenyl]-2-methoxyphenyl]hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-1-yl]diazenyl]-5-nitrobenzoate C.I.Direct Black 91:C.I.30400 trisodium,2-[[(6E)-2-amino-6-[[4-[4-[(2Z)-2-(3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-3-methoxyphenyl]-2-methoxyphenyl]hydrazinylidene]-5-oxo-7 6739-62-4 C38H28N8O13S3Na C38H25N8Na3O13S Organics