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6222-56-6

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6222-56-6 Structure

6222-56-6 Structure
IdentificationBack Directory
[Name]

disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
[CAS]

6222-56-6
[Synonyms]

C.I.17595
Acid Brown 88
C.I.Acid Brown 88
Acid brown 88 (C.I. 17595)
C.I.Acid Brown 88:C.I.17595
disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
4-Hydroxy-6-(phenylamino)-3-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid disodium salt
[EINECS(EC#)]

228-305-6
[Molecular Formula]

C22H15N3Na2O7S2
[MOL File]

6222-56-6.mol
[Molecular Weight]

543.48
Safety DataBack Directory
[HS Code ]

2927000090
Hazard InformationBack Directory
[Preparation]

4-Aminobenzenesulfonic aciddiazo, 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.
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