1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt

1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt structure

CAS No.: 6826-61-5

Chemical Name:: 1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt

Synonyms: Direct Red 142;C.I.Direct Red 142:C.I.19500;1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt

CBNumber:: CB54748420

Molecular Formula:: C24H18N5NaO4S

Molecular Weight:: 495.48559

MDL Number:

MOL File:: 6826-61-5.mol

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1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt Chemical Properties,Uses,Production

Preparation

O-Methylaniline diazo, and 2-(3-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for red, soluble in ethanol for orange red. The strong sulfuric acid for product red, diluted in red. The dye solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution have orange brown precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3-4	5	3	2-3		3

1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt Preparation Products And Raw materials

Raw materials

2-(3-aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid o-Toluidine

Preparation Products

6826-61-5(1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt)Related Search:

3-[[4-[[6-[(4-Amino-3-methylbenzoyl)amino]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo]-2-methylphenyl]azo]naphthalene-1,5-disulfonic acid disodium salt sodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2-sulphonate disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Benzoic acid, 3-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, trisodium salt Direct Red 127:2

sodium 7-[(3-aminobenzoyl)amino]-3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate BENZO BORDEAUX B 2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[2-methyl-4-[(2-methyl-4-sulfophenyl)azo]phenyl]azo]-, disodium salt disodium 4-[[4-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate

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1H-Naphth[1,2-d]imidazole-8-sulfonic acid, 2-(3-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt C.I.Direct Red 142:C.I.19500 Direct Red 142 6826-61-5