dye|World dye variety

Name:C.I.Direct Blue 176,C.I.35460

Molecular Structure: Multi-azo class

C.I.Direct Blue 176,C.I.35460,CAS 8018-14-2,1562.25,C52H30N11Na7O23S7,Formanil Blue 3G

Molecular Formula:C₅₂H₃₀N₁₁Na₇O₂₃S₇

Molecular Weight: 1562.25

CAS Registry Number:8018-14-2

Manufacturing Methods : 5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled, then double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid(2 Moore) coupled.

Properties and Applications: Green light blue. Soluble in water for green light blue, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in dark green light for blue, red for navy solution diluted. The dye solution to join 10% sodium hydroxide solution for shallow dark red light blue.

List of Suppliers:

Formanil Blue 3G( American Aniline Products Inc.  )