Description

Trisodium 5-[[3-[(2-Bromo-1-Oxoallyl)Amino]Benzoyl]Amino]-3-[[5-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, water-soluble reactive dye intermediate characterized by its complex polyazo and sulphonated structure. This compound is essential for synthesizing high-performance dyes with excellent color fastness and brilliant shades. It is primarily utilized by manufacturers in the textile, leather, and specialty chemical industries seeking to produce advanced reactive dyes and colorants.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-quality reactive dyes used in textile dyeing and printing, particularly for cotton and other cellulosic fibers.
• Leather Coloring: Used in the formulation of dyes for leather finishing, providing deep, durable coloration.
• Ink Production: Serves as a colorant precursor in the production of specialty inks for various industrial applications.
• Research & Development: A valuable building block in chemical R&D for developing novel chromophores and functional dyes.
• Paper Dyeing: Employed in the manufacture of dyes for coloring paper and paper products.

Basic Information

Item	Details
Product Name	Trisodium 5-[[3-[(2-Bromo-1-Oxoallyl)Amino]Benzoyl]Amino]-3-[[5-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	70210-01-4
Molecular Formula	C30H18Br2N6Na3O14S3
Molecular Weight	Contact for details
Synonyms	Reactive Dye Intermediate 70210-01-4; Trisodium 3-[[5-[(2-bromo-1-oxoallyl)amino]-2-sulfophenyl]azo]-5-[[3-[(2-bromo-1-oxoallyl)amino]benzoyl]amino]-4-hydroxy-2,7-naphthalenedisulfonate; C.I. Reactive Black 5 Intermediate; Polyazo Reactive Dye Precursor; 5-[[3-[(2-Bromoacryloyl)amino]benzoyl]amino]-3-[[5-[(2-bromoacryloyl)amino]-2-sulfophenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt
EINECS	Contact for details

Quality Control

Our Trisodium 5-[[3-[(2-Bromo-1-Oxoallyl)Amino]Benzoyl]Amino]-3-[[5-[(2-Bromo-1-Oxoallyl)Amino]-2-Sulphonatophenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.