ChemicalBook > Product Catalog >Dyes and Pigments >dye >Sulfur Dyes >2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx))

2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx))

2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) Structure
CAS No.
1327-69-1
Chemical Name:
2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx))
Synonyms
C.I.53540;Sulphur Blue 15;Sulphol Green B;Sulfogen Green B;Thionone Green 3B;Sapphire blue CV;Sulfer Green Blue CV;Thionol Blue Green B;Solfo Greenish Blue C;Immedial Green Blue CV
CBNumber:
CB7903531
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file

2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) Chemical Properties,Uses,Production

Preparation

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. Blue gray powder. Slightly soluble in water, not soluble in alcohol and benzene, soluble in Sodium sulfide solution for olive. In concentrated sulfuric acid for dark blue, dark blue precipitation after dilution. Dyeing content in alkaline insurance powder for dark yellow, after oxidation can restore the original colour and lustre; In Sodium hypochlorite solution all fade, join concentrated sulfuric acid into dark blue. Mainly used for cotton, hemp, viscose fiber dyeing and printing.

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

2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) Preparation Products And Raw materials

2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) Suppliers

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2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) Sulphur Blue 15 Sulfur blue 15 (C.I. 53540) Sapphire blue CV C.I.53540 Immedial Green Blue CV Mitsui Sulphur Green CV Calcogene Electric Blue CF Pirocard Brilliant Green 10B Sodyesul Marine Blue 5CF Solfo Blue Green C Supra Solfo Greenish Blue C Sulfer Green Blue CV Sulfindone Brilliant Blue 8G-CF Sulfogen Green B Sulfogen Green Blue CV Sulfogene Fast Green BCFN Sulfogene Fast Green YCF Sulfur Brilliant Green 5B-CF Sulphol Green B Thional Cross Dye Green B-CF Thionol Blue Green B Thionone Green 3B 2-naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) 2-Naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydroxyphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx)) ISO 9001:2015 REACH C.I.Sulphur Blue 15:C.I.53540 2-naphthalenesulfonic acid, 5(or 8)-amino-8(or 5)-[(4-hydrox... 1327-69-1