dye|World dye variety

Name:C.I.Reactive Blue 20

Molecular Structure: Single azo,Metal Complexes

C.I.Reactive Blue 20,CAS 12225-40-0,735.59,C20H16N3Na3O15S4,Reactive navy Blue KN-BP

Molecular Formula:C₂₀H₁₆N₃Na₃O₁₅S₄

Molecular Weight: 735.59

CAS Registry Number:12225-40-0

Manufacturing Methods : 2-Amino-4-((2-(sulfooxy)ethyl)sulfonyl)phenol diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and sulfuric acid chromium and sodium acetate complexation, then salting-out.

Properties and Applications: navy blue. Used for cotton, wool, silk, hemp and viscose fiber dyeing and can be white.

List of Suppliers:

Reactive navy Blue KN-BP

Remazol Navy Blue RD( Hoechst A G )