2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
- CAS NO.：6661-22-9
- Empirical Formula: C32H25N8NaO9S2
- Molecular Weight: 752.71
- EINECS: 613-954-3
![2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Structural](https://img.chemicalbook.in/CAS/20211123/GIF/6661-22-9.gif)
What is 2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt?
Preparation
(a), M-nitroaniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, then use glucose and sodium hydroxide solution will nitro reduction; (b) 3-(3-(3-Aminophenyl)-1-oxadiaziridin-2-yl)benzenamine?double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.
Properties and Applications
dark red Claret to light purple. Soluble in water for palm light orange, slightly soluble in alcohol. The strong sulfuric acid for blu-ray red, diluted light orange for subtle stitching. The dye solution to join strong hydrochloric acid for red orange; Add thick sodium hydroxide solution for palm light orange
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 3 | 1 | 4 | 4-5 | ||
| AATCC | 5 | 5 | 2 | 3 | 4 | ||
Safety information for 2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
New Products
Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Boc-His(Boc)-OH 2-CTC Resin 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 5,7-Dibromo-1H-indole 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID 4-((2-hydroxyethyl)thio)benzoic acid 1-(TERT-BUTOXYCARBONYL)-2-PYRROLIDINONE Methyl 6-methylnicotinate 3-Pyridineacrylic acid tert-Butyl carbazate TETRAHYDRO-2H-PYRAN-3-OL 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 2,4-dihydroxybenzaldehyde 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylateRelated products of tetrahydrofuran
![2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(4-aminobenzoyl)amino]-2-sulfophenyl]azo]-4-hydroxy-, disodium salt](https://img.chemicalbook.in/CAS/20200331/GIF/6417-28-3.gif)
![disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate](https://img.chemicalbook.in/CAS/GIF/6492-66-6.gif)
![disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate](https://img.chemicalbook.in/CAS/GIF/5979-31-7.gif)
![3-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphtyl]azo]-3,5-dimethylphenyl]azo]-1,5-naphthalenedisulfonic acid trisodium salt](https://img.chemicalbook.in/CAS/GIF/6421-66-5.gif)
![disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate](https://img.chemicalbook.in/CAS/GIF/5905-22-6.gif)
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