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Acid Brown 86

Name:C.I.Acid Brown 86,C.I.17620

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Brown 86,C.I.17620,CAS 6408-23-7,559.48,C22H15N3Na2O7S2,Igenal Brown JRBF

C.I.Acid Brown 86,C.I.17620,CAS 6408-23-7,559.48,C22H15N3Na2O7S2,Igenal Brown JRBF

Molecular Formula:C22H15N3Na2O7S2

Molecular Weight: 559.48

CAS Registry Number: 6408-23-7

Manufacturing Methods :   3-Amino-4-methoxybenzenesulfonic acid diazo, in alkaline conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling, and then in the copper sulfate ammonia solution in heating, in 70 ℃ keep 45 minutes, make its formation copper complex. In the complex process medium armor oxygen radicals were hydroxyl replaced.

Properties and Applications: Dark brown. Soluble in water for red light brown, in very low solubility in ethanol. The strong sulfuric acid to red light purple, diluted for brown. Adding strong hydrochloric acid in aqueous solution with brown precipitation; Add thick sodium hydroxide solution for red wine.

List of Suppliers:

Igenal Brown JRBF( IG Farbenindustrie AG )


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