dye|World dye variety

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

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.

List of Suppliers:

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