Description

Pentasodium 4-Amino-6-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-3-[(2,5-Disulphonatophenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, reactive dye intermediate and specialty chemical. This compound is valued for its high reactivity and chromophore structure, making it a critical building block for synthesizing complex, high-performance dyes and pigments. It is primarily needed by manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid, colorfast products.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-grade reactive dyes used in textile dyeing and printing, particularly for cotton and cellulose fibers.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, plastics, and coatings that require excellent color strength and stability.
• Specialty Inks: Serves as a precursor for dyes used in inkjet, security, and other specialty printing inks demanding precise color properties.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo-triazine chemistry.
• Functional Materials: Potential use in the synthesis of dyes for optical applications or as a ligand in metal-complex dyes.

Basic Information

Product Name	Pentasodium 4-Amino-6-[[5-[(4,6-Dichloro-1,3,5-Triazin-2-Yl)Amino]-2-Sulphonatophenyl]Azo]-3-[(2,5-Disulphonatophenyl)Azo]-5-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	70865-31-5
Molecular Formula	C31H13Cl2N9Na5O17S5
Molecular Weight	Contact for details
Synonyms	Reactive Black 5 Precursor; C.I. Reactive Black 5 Intermediate; Pentasodium 4-amino-6-{[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]diazenyl}-3-[(2,5-disulfophenyl)diazenyl]-5-hydroxynaphthalene-2,7-disulfonate; Azo Triazine Dye Intermediate; RB5 Intermediate; 4-Amino-6-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl]azo]-3-[(2,5-disulfonatophenyl)azo]-5-hydroxynaphthalene-2,7-disulfonate pentasodium salt
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistency, purity, and performance for downstream synthesis. Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and color strength are provided with each shipment to guarantee it meets your precise formulation 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect reactivity and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
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.