2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
- CAS NO.:6449-81-6
- Empirical Formula: C39H24N6Na2O7S
- Molecular Weight: 766.6884
- Update Date: 2024-12-18 14:08:52
![2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt Structural](https://img.chemicalbook.in/CAS2/GIF/6449-81-6.gif)
What is 2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt?
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again with Naphthalen-1-amine coupling, product to diazo, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
Grey
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 4 | 2 | 2 | 2-3 |
Properties of 2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
EPA Substance Registry System | C.I. Direct Black 40 (6449-81-6) |
Safety information for 2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
Computed Descriptors for 2-Hydroxy-5-[[4'-[[4-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt
New Products
1-Amino-1-cyclohexanecarboxylic acid 6-Bromo-3-iodo-1-methyl-1H-indazole 3-(2,4-Dimethoxybenzyl)dihydropyrimidine-2,4(1H,3H)-dione S-Methylisothiosemicarbazide hydroiodide ELECTROLYTIC IRON POWDER 1-Aminocyclobutanecarboxylic acid 1-(2-Ethoxyethyl)-2-(piperidin-4-yl)-1H-benzo[d]imidazole hydrochloride tert-butyl 4-(1H-benzo[d]iMidazol-2-yl)piperidine-1-carboxylate Decanonitrile N,N'-diallyl-1,3-diaminopropanedihydrochloride N-(3-Nitrophenyl)cyclopropanecarboxamide (2-amino-2-phenylethyl)(methyl)amine Methyl-2-acetamidobenzoate methyl 6-chloro-2-(chloromethyl)nicotinate 2-methoxy-4-methyl-5-nitro pyridine 2-iodo-5-bromo pyridine 2-amino-4-methyl-5-nitro pyridine 4-cyano benzaldehyde 2-hydroxy-5-bromo pyridine 5-Fluoro-2-Oxindole 3,5-Dichloro-2,6-Dimethyl-1h-Pyridin-4-One (9H-fluoren-9-yl)methyl carbonochloridate 2-methyl-5-nitroaniline (S)-1-(tert-butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acidRelated products of tetrahydrofuran
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![trisodium 5-[[4-[[7-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-1-naphthyl]azo]salicylate](https://img.chemicalbook.in/CAS/GIF/6473-15-0.gif)
![Benzoic acid, 5-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-2-hydroxy-, disodium salt](https://img.chemicalbook.in/CAS/20200331/GIF/6771-92-2.gif)
![2-[benzenesulfonyl-(3-methylphenyl)amino]-N-(2-methoxy-5-methyl-phenyl)acetamide](https://img.chemicalbook.in/CAS/GIF/6486-53-9.gif)
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![Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes](https://img.chemicalbook.in/CAS/GIF/1325-32-2.gif)
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