Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt
- CAS NO.:8015-02-9
- Molecular Weight: 0
- EINECS: 616-956-2
What is Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt?
Preparation
3-Amino-2-hydroxybenzoic acid?diazo, and Naphthalen-1-amine coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
dark blue light green. Soluble in water for dark, and adequate soluble in ethanol to blue. The strong sulfuric acid in turquoise, diluted into purple. In water solution to join strong hydrochloric acid for violet black; Add thick sodium hydroxide solution for dark.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2 | 5 | 5 | 4-5 | 5 |
Safety information for Benzoic acid, 3-[[4-[(1,8-dihydroxy-4-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2(or 6)-hydroxy-, disodium salt
New Products
6-Bromo 2-Iodo Indole Fosfomycin EP impurity D Rimegepant Impurity 3 Ivermectin EP Impurity B Tubulysin A Tubulysin D (2S,4R)-4-amino-2-methyl-5-phenylpentanoic acid hydrochloride Tubulysin I Tubulysin F Potassium HMDS (1.0 M in THF) (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine Calcium Sodium Phosphosilicate IH Imeglimin Hydrochloride IH Fuel shell 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile (1-Isopropyl-1H-pyrazol-5-yl)boronic acid 3,3,6,6-Tetramethylcyclohexane-1,2-dione Methyl 4-amino-3-(piperidin-1-yl)benzoate 4,7-Dibromobenzo[c][1,2,5]thiadiazole-5,6-diamine Diethyl 2,5-di(furan-2-yl)terephthalate 3,6-Bis(4-iodophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione Zanubrutinib 5-Bromo-4,6-difluoro-2,3-dihydro-1h-indoleRelated products of tetrahydrofuran
ACID GREEN 3
4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt
8-[[4-(Acetylamino)phenyl]amino]-5-cyclohexylamino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt
Acid Green 28
Acid Green 40
disodium hydrogen bis[4-amino-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonato(3-)]chromate(3-)
2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt
[1,1'-Biphenyl]sulfonic acid, 4,4''-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis-, disodium salt
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