dye|World dye variety

Name:C.I.Leuco Sulphur Blue 15,C.I.53540

Molecular Structure:

C.I.Leuco Sulphur Blue 15,C.I.53540,Leuco Liquid Sulphur Blue L-CV,Liq Blue ICV,Liquid Blue 3GLC

CAS Registry Number:

Manufacturing Methods : 8-Amino-5-(4-hydroxyphenylamino)naphthalene-2-sulfonic acid and aqueous Sodium polysulfide heating, in 107 ~ 108 ℃ under reflux 2 4 hours, will be part of the precipitation in the Sodium sulfide of dye solution, blowing air redeposition. This indophenol is from 8-Amino-5-nitronaphthalene-2-sulfonic acid and where did 5-Aminonaphthalene-2-sulfonic acid and where did 4-Aminophenol with Sodium hypochlorite oxidation of mixture, then use Sodium sulfide reduction and have to.

Properties and Applications: green light blue. Yellow brown flow liquid, pH value is 12.8, density 1.248, viscosity 11* 10-3 pa s.; No fallout. In the Sodium sulfide solution good solubility, olive, In concentrated sulfuric acid for the dark, diluted with dark blue.

List of Suppliers:

Leuco Liquid Sulphur Blue L-CVBengbu Yongyan Dyes & Chemicals Co. Ltd

Diresul Liquid Blue 3GLC( Clariant GmbH )

Ecosol Liq Blue ICV( SF Dyes Pvt Ltd )