disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
- CAS NO.：6222-56-6
- Empirical Formula: C22H15N3Na2O7S2
- Molecular Weight: 543.47994
- EINECS: 2283056
![disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate Structural](https://img.chemicalbook.in/CAS/GIF/6222-56-6.gif)
What is disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate ?
Preparation
4-Aminobenzenesulfonic acid?diazo, in alkaline conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
dark red light brown. Soluble in water, soluble in ethanol in very small amounts of red brown. The strong sulfuric acid for red, for orange brown after diluted. In water solution to join strong hydrochloric acid for brown; Add thick sodium hydroxide solution for red wine.
Safety information for disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate manufacturer
Neema Chemicals
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Phone:+91-9825484478
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product: 6222-56-6 Acid brown 88 99%
New Products
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![2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt](https://img.chemicalbook.in/CAS/20200331/GIF/6222-39-5.gif)
![Cuprate(2-), [4-(hydroxy-κO)-3-[[2-(hydroxy-κO)-5-sulfophenyl]azo-κN1]-6-(phenylamino)-2-naphthalenesulfonato(4-)]-, disodium](https://img.chemicalbook.in/CAS/20211123/GIF/6408-23-7.gif)
![2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt](https://img.chemicalbook.in/CAS/20200331/GIF/6222-54-4.gif)
![6-Amino-4-hydroxy-3-[[4-(sulfomethyl)phenyl]azo]-2-naphthalenesulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/6360-14-1.gif)
![2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-6-[(2-sulfoethyl)amino]-, disodium salt](https://img.chemicalbook.in/CAS/20200119/GIF/6417-27-2.gif)
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