dye|World dye variety

Name:C.I.Acid Blue 102,C.I.50320

Molecular Structure: azine class

C.I.Acid Blue 102,C.I.50320,CAS 6856-08-2,700.72,C35H25N4NaO7S2,Levanol Blue GL 200%

Molecular Formula:C₃₅H₂₅N₄NaO₇S₂

Molecular Weight: 700.72

CAS Registry Number:6856-08-2

Manufacturing Methods : will contain 25%  copper sulfate solution of ammonia to add to a weak alkaline 6,8-Bis(phenylamino)naphthalene-1-sulfonic acid and 4-Amino-3′-methoxydiphenylamine-2-sulfonic acid solution of 30 to 35 ℃, in blow air 6 hours, then salting-out.

Properties and Applications:  blue. Soluble in water for blue purple, soluble in ethanol chrysanthemum blue. The strong sulfuric acid for green, diluted into a red light blue. In water solution to join sodium hydroxide for red brown, and sediment formation.

List of Suppliers:

Levanol Blue GL 200%( Classic Dyestuffs Inc)