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Direct Orange 3

Name:C.I.Direct Orange 3,C.I.26280

Molecular Structure: Double azo class

C.I.Direct Orange 3,C.I.26280,CAS 6798-02-3,750.63,C29H20N8Na2O10S2,Dianil Orange GS

C.I.Direct Orange 3,C.I.26280,CAS 6798-02-3,750.63,C29H20N8Na2O10S2,Dianil Orange GS

Molecular Formula:C29H20N8Na2O10S2

Molecular Weight: 750.63

CAS Registry Number:6798-02-3

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling, and then diazo, and 4-Nitrobenzene-1,3-diamine coupling between.

Properties and Applications: bright orange. Soluble in water for orange, and adequate soluble in alcohol for golden brown to orange. The strong sulfuric acid for blue-ray in red, orange for gold after diluted. The dye solution to join strong hydrochloric acid for gold orange; With strong sodium hydroxide solution for palm light orange. Can be used for cellulose fiber dyeing. Neutral and alkaline white is good, good levelness.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 3 2-3 2-3

List of Suppliers:

Dianil Orange GS( Farbwerke vorm. Meister Lucius &Brtining )


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