Description

Hexasodium P,P'-[m-Phenylenebis[Imino(6-Chloro-1,3,5-Triazine-2,4-Diyl)Imino(8-Hydroxy-3,6-Disulphonato-1,7-Naphthylene)Azo]]Dibenzoate is a high-performance, water-soluble anionic dye and colorant belonging to the class of reactive dyes. This compound is engineered for exceptional color fastness and stability, making it a critical component in demanding industrial applications where durability is paramount. It is primarily sought after by manufacturers in the textile, paper, and specialty coatings industries for its brilliant hue and strong substrate affinity.

Application

• Textile Dyeing and Printing: As a key reactive dye for coloring cellulosic fibers like cotton, viscose, and linen, providing excellent wash and light fastness.
• Paper Coloring: Used in the production of high-quality colored papers, including specialty packaging and decorative papers.
• Leather Finishing: Imparts vibrant and durable color to finished leather goods.
• Ink Formulation: Serves as a colorant in the manufacture of inks for various printing applications.
• Specialty Coatings and Paints: Incorporated into formulations where specific color properties and stability are required.
• Biological Staining (Research Grade): Potential use as a histological stain in laboratory settings, subject to specific purity grades.

Basic Information

Product Name	Hexasodium P,P'-[m-Phenylenebis[Imino(6-Chloro-1,3,5-Triazine-2,4-Diyl)Imino(8-Hydroxy-3,6-Disulphonato-1,7-Naphthylene)Azo]]Dibenzoate
CAS No.	83137-16-0
Molecular Formula	C58H24Cl2N14Na6O22S4
Molecular Weight	Contact for details
Synonyms	Reactive Black 5, Hexasodium Salt; C.I. Reactive Black 5; Remazol Black B; Sumifix Black B; Levafix Black E-B; Procion Black H-EX; Dinazol Black SB; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, hexasodium salt (related isomer).
EINECS	Contact for details

Quality Control

Our production of Hexasodium P,P'-[m-Phenylenebis[Imino(6-Chloro-1,3,5-Triazine-2,4-Diyl)Imino(8-Hydroxy-3,6-Disulphonato-1,7-Naphthylene)Azo]]Dibenzoate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance metrics meet defined specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and compliance.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 90%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	Max. 20 ppm

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