6548-31-8

Usage

Uses

Used in Textile Industry:
Tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) is used as a dye for textiles due to its dark blue color and resistance to fading and staining. Its acid and alkali resistance ensures that the color remains stable even under harsh conditions.
Used in Cosmetics Industry:
In the cosmetics industry, tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) is used as a colorant for various products such as hair dyes, makeup, and nail polish. Its light fastness ensures that the color remains vibrant and long-lasting.
Used in Printing Industry:
Tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) is used as an ink component in the printing industry. Its resistance to fading and staining makes it suitable for high-quality printing applications.
Used in Plastics and Polymers Industry:
In the plastics and polymers industry, tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) is used as a colorant to impart a dark blue hue to various plastic products. Its acid and alkali resistance ensures that the color remains stable even when exposed to harsh chemicals or environmental conditions.
Used in Paper Industry:
Tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) is used as a pigment in the paper industry to create dark blue paper products. Its light fastness and resistance to fading make it an ideal choice for high-quality paper applications.

Preparation

5-Amino-2-hydroxybenzoic acid diazo, and 2,5-Dimethylbenzenamine coupling, its product (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling.

Standard

Acid Resistance

Fading

Stain

ISO

1

AATCC

1