1-Naphthalenesulfonic acid, 6-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-8-hydroxy-6-sulfo-1-naphthalenyl]azo]-, trisodium salt

CAS NO.：5938-86-3
Empirical Formula: C37H23N6Na3O12S3
Molecular Weight: 908.77583
EINECS: 611-825-6

What is 1-Naphthalenesulfonic acid, 6-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-8-hydroxy-6-sulfo-1-naphthalenyl]azo]-, trisodium salt?

Preparation

6-Aminonaphthalene-1-sulfonic acid diazo, and 8-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, again diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis ethyl ester base.

Properties and Applications

blue light green. Soluble in water for dark, slightly soluble in alcohol. The strong sulfuric acid as dark blue in green, for purple diluted. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution have blue-ray black precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
AATCC	3	4-5	4-5	4-5		4

Safety information for 1-Naphthalenesulfonic acid, 6-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-8-hydroxy-6-sulfo-1-naphthalenyl]azo]-, trisodium salt

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Related products of tetrahydrofuran

1-Naphthalenesulfonic acid, 4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, monosodium salt

Direct Green 58

Direct Green 59

DIAMINE GREEN B

tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate

Direct Green 43

2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt

4-[(4-Amino-2-sodiosulfophenyl)azo]-2-ethoxy-1'-hydroxy-6'-[[4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoyl]amino][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt