6360-26-5

Usage

Uses

Used in Textile Industry:
2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt is used as a dye in the textile industry for its colorfastness properties. It exhibits good acid resistance, alkali resistance, light fastness, and soaping characteristics, making it suitable for dyeing fabrics.
Used in Analytical Chemistry:
2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt can be used as an analytical reagent in various chemical analyses due to its color-changing properties in response to different chemical environments. Its sensitivity to pH and other chemical conditions makes it a valuable tool for detecting and measuring specific substances.
Used in Dye Synthesis:
2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt can be used as a starting material or intermediate in the synthesis of other dyes and pigments, contributing to the development of new colorants with improved properties.
Used in Art Conservation:
Due to its light fastness and resistance to fading, 2-Naphthalenesulfonic acid, 6-(2,4-diaminophenyl)azo-3-4-(2,4-diaminophenyl)azo-3-sulfophenylazo-4-hydroxy-, disodium salt can be used in the conservation and restoration of artworks, particularly those that involve the use of dyes or pigments. Its ability to maintain color stability under various conditions makes it suitable for preserving the original appearance of valuable artworks.

Preparation

N-(4-aminophenyl)acetamide diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?, and then and hydrolysis products coupled acylation, double again by nitride, and Benzene-1,3-diamine (2 Moore) coupled.

Standard

Acid Resistance

Fading

Stain

AATCC

2