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
(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
![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)
![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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