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Leuco Sulphur Blue 15

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

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.

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 3-4 4 5-6 3-4 (Alkali)4-5 4 2
AATCC 5 4 6 3 3

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 )


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