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
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
Abamectin manufacturer
Neema Chemicals
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Phone:+91-9825484478
Whatsapp: +91 9825484478
product: 6222-56-6 Acid brown 88 99%
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C.I. Acid Brown 87
2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt
Cuprate(2-), [4-(hydroxy-κO)-3-[[2-(hydroxy-κO)-5-sulfophenyl]azo-κN1]-6-(phenylamino)-2-naphthalenesulfonato(4-)]-, disodium
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
ACID BROWN85 (C.I. 34900)
6-Amino-4-hydroxy-3-[[4-(sulfomethyl)phenyl]azo]-2-naphthalenesulfonic acid disodium salt
2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-6-[(2-sulfoethyl)amino]-, disodium salt
C.I. Acid Brown 92
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