dye|World dye variety

Name:C.I.Direct Green 21:1,C.I.22322

Molecular Structure: Double azo class

C.I.Direct Green 21:1,C.I.22322,729.58,C29H18N5Na3O10S2

Molecular Formula:C₂₉H₁₈N₅Na₃O₁₀S₂

Molecular Weight: 729.58

CAS Registry Number:

Manufacturing Methods :  4-(4-Aminophenyl)benzenamine double nitriding, First coupled with 2-Hydroxybenzoic acid , and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid coupling.

Properties and Applications: dark green.

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