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必应染料-您身边的染料专家

Direct Brown 69

Name:C.I.Direct Brown 69,C.I.30365

Molecular Structure: trisazo class

C.I.Direct Brown 69,C.I.30365,883.78,C34H24N9Na3O10S3,Dianil Brown R

C.I.Direct Brown 69,C.I.30365,883.78,C34H24N9Na3O10S3,Dianil Brown R

Molecular Formula:C34H24N9Na3O10S3

Molecular Weight: 883.78

CAS Registry Number:

Manufacturing Methods :  2-Amino-5-(4-aminophenyl)benzenesulfonic acid double nitriding, first and 4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupled to a product matches, then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications: red light brown. Soluble in water for red orange brown. The strong sulfuric acid in grey or black for purple, for brown after diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for orange brown.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4 3 2 2

List of Suppliers:

Dianil Brown R( Farbwerke vorm. Meister Lucius &Brtining )


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