disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate]

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] structure

CAS No.: 6420-39-9

Chemical Name:: disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate]

Synonyms: C.I.29110;Diazo Bordeaux 7B;C.I.Direct Red 149;C.I.Direct Red 149:C.I.29110;Amanil Developed Bordeaux 7B;disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate];7,7'-Iminobis[4-hydroxy-3-[(3-aminophenyl)azo]-2-naphthalenesulfonic acid]disodium salt;7,7'-Iminobis[3-[(3-aminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid]disodium salt

CBNumber:: CB4920595

Molecular Formula:: C32H23N7Na2O8S2

Molecular Weight:: 743.67666

MDL Number:

MOL File:: 6420-39-9.mol

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disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Properties

EPA Substance Registry System	2-Naphthalenesulfonic acid, 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxy-, disodium salt (6420-39-9)

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0000853	PONTAMINE DIAZO BORDEAUX 7B 95.00%	6420-39-9	5MG	$502.83	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0000853	5MG	$502.83	Buy

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Chemical Properties,Uses,Production

Preparation

N-(3-aminophenyl)formamide (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, and then hydrolysis formex amino.

Properties and Applications

Claret. Soluble in water and ethanol for blue-ray red. The strong sulfuric acid in Red sauce for, diluted solution for Red, dark blue light Red precipitate. The dye solution to join strong hydrochloric acid is Claret precipitation; Add thick sodium hydroxide solution for orange brown.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
AATCC	5	4	2	4		5

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Preparation Products And Raw materials

Raw materials

Preparation Products

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] 7,7'-Iminobis[3-[(3-aminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic acid]disodium salt 7,7'-Iminobis[4-hydroxy-3-[(3-aminophenyl)azo]-2-naphthalenesulfonic acid]disodium salt C.I.29110 C.I.Direct Red 149 Diazo Bordeaux 7B Amanil Developed Bordeaux 7B C.I.Direct Red 149:C.I.29110 6420-39-9