dye|World dye variety

Name:C.I.Solvent Blue 50,C.I.50320

Molecular Structure: azine class

C.I.Solvent Blue 50,C.I.50320,CAS 98725-14-5,700.72,C35H25N4NaO7S2,Irisol Fast Blue GLE

Molecular Formula:C₃₅H₂₅N₄NaO₇S₂

Molecular Weight: 700.72

CAS Registry Number:98725-14-5

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

Properties and Applications:blue. Soluble in water for royal purple, soluble in ethanol for Daisy blue. In concentrated sulfuric acid for green, dilution after red light blue. Dye aqueous solution to join sodium hydroxide as red brown, precipitation.

List of Suppliers:

Irisol Fast Blue GLE(Bayer Group)