6360-29-8

Usage

Uses

Used in Dye Industry:
Trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate is used as a dye in the dye industry for its unique color properties and ability to change color in response to different pH levels. Its solubility in water and ethanol makes it suitable for various applications, such as textile dyeing and printing inks.
Used in Analytical Chemistry:
trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate can be used in analytical chemistry as a pH indicator or for the detection and measurement of specific ions, due to its color changes in response to pH and the presence of certain chemicals.
Used in Research and Development:
Trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate can be used in research and development for the synthesis of new dyes, pigments, or other organic compounds with similar properties.
Standard:
trisodium 5-[[4'-[[4-[(4-amino-7-sulphonato-1-naphthyl)azo]-6-sulphonato-1-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate has been tested for various properties, such as acid resistance, alkali resistance, light fastness, soaping, water fading, and stain fading, according to ISO and AATCC standards. The results indicate that it has moderate to good resistance to acids and alkalis, as well as light fastness, making it suitable for various applications where color stability is important.

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and with 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling.

Standard

Acid Resistance

Fading

Stain

ISO

2

AATCC

2