50814-28-3

Basic information

• Product Name: sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate
• Synonyms: sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate;4-[[4-[(2-Phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulfonic acid sodium salt;Acidol Scarlet GX;C.I.28683;C.I.Acid Red 351;Sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulfonate
• CAS NO: 50814-28-3
• Molecular Formula: C26H18N5NaO3S
• Molecular Weight: 503.50759
• EINECS: 256-781-5
• Mol File: 50814-28-3.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate(50814-28-3)
• EPA Substance Registry System: sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate(50814-28-3)

Safety Data

• Hazardous Substances Data: 50814-28-3(Hazardous Substances Data)

Usage

Description

Sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate is a complex organic compound that belongs to the class of azo dyes. It is characterized by its yellow color and has specific properties that make it suitable for various applications.

Uses

Used in Textile Industry:
Sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate is used as a dye for coloring fabrics. It is chosen for its light fastness (ISO 5-6), which ensures that the color remains vibrant even when exposed to sunlight for extended periods. Additionally, it has good soaping and perspiration fastness (both rated 4), making it suitable for garments that will be washed and worn frequently.
Used in Plastics and Polymer Industry:
In the plastics and polymer industry, sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate is used as a colorant to impart a vibrant yellow hue to various plastic products. Its resistance to fading and staining (rated 4-5) makes it an ideal choice for items that will be exposed to different environmental conditions.
Used in Paints and Coatings Industry:
Sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate is also used in the paint and coatings industry to provide a durable and long-lasting yellow color. Its fastness to oxygen bleaching and seawater (both rated 4-5) makes it suitable for applications where the paint or coating may be exposed to harsh conditions, such as outdoor structures or marine environments.

Preparation

4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 2-Phenyl-1H-indole?coupling.

Standard

Light Fastness

Fading

Stain

ISO

5-6

InChI:InChI=1/C26H19N5O3S.Na/c32-35(33,34)22-16-14-21(15-17-22)29-28-19-10-12-20(13-11-19)30-31-26-23-8-4-5-9-24(23)27-25(26)18-6-2-1-3-7-18;/h1-17,30H,(H,32,33,34);/q;+1/p-1/b29-28+,31-26+;