dye|World dye variety

Name:C.I.Direct Blue 164,C.I.24550

Molecular Structure: Double azo class

C.I.Direct Blue 164,C.I.24550,CAS 6428-82-6,989.59,C36H22Cl2N6Na4O14S2,Benzo Fast Copper Navy Blue 3R

Molecular Formula:C₃₆H₂₂Cl₂N₆Na₄O₁₄S₂

Molecular Weight: 989.59

CAS Registry Number:6428-82-6

Manufacturing Methods : 6-Amino-5-chloro-1-naphthol-3-sulfonic acid double nitriding, and 2-[2-Amino-5-[4-amino-3-(carboxymethoxy)phenyl]-phenoxy]acetic acid (2 Moore) coupled.

Properties and Applications:  red light navy blue. Soluble in water for dark purple, slightly soluble in alcohol. The strong sulfuric acid for Tracy in blue, blue for diluted. The dye solution to join strong hydrochloric acid for blue precipitation; Add thick sodium hydroxide solution for red light purple.

List of Suppliers:

Benzo Fast Copper Navy Blue 3RL( IG Farbenindustrie AG )