Description

5-[[4-[Bis[2-[(2-Chloroethyl)Sulfonyl]Ethyl]Amino]-6-Chloro-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(2-Sulfophenyl)Azo]-2,7-Naphthalenedisulfonic Acid is a high-purity, reactive dye intermediate and chemical building block of significant industrial importance. This compound is valued for its ability to form covalent bonds with substrates, making it a critical component in the synthesis of high-performance, colorfast dyes and pigments. It is primarily sought by manufacturers in the textile, specialty chemical, and advanced materials sectors for developing products with enhanced durability and specific functional properties.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing fiber-reactive dyes, particularly for cotton and other cellulosic fibers, providing excellent wash and light fastness.
• Textile Printing and Dyeing: Used in formulations for textile printing inks and dye baths to achieve vibrant, long-lasting colors.
• Specialty Pigment Production: Serves as a precursor in the creation of high-performance organic pigments for inks, coatings, and plastics.
• Biomolecule Labeling: Potential application in biochemical research as a reactive probe for labeling proteins or other macromolecules due to its triazine and sulfonic acid groups.
• Cross-linking Agent: Can be utilized in polymer chemistry to introduce cross-links, modifying the physical properties of polymeric materials.
• Analytical Chemistry Reagent: May be employed as a derivatization agent or a chromophore in specific analytical methods.

Basic Information

Product Name	5-[[4-[Bis[2-[(2-Chloroethyl)Sulfonyl]Ethyl]Amino]-6-Chloro-1,3,5-Triazin-2-Yl]Amino]-4-Hydroxy-3-[(2-Sulfophenyl)Azo]-2,7-Naphthalenedisulfonic Acid
CAS No.	65180-72-5
Molecular Formula	C27H26Cl2N8O14S4
Molecular Weight	901.69 g/mol
Synonyms	Reactive Black 5 Precursor; C.I. Reactive Black 5 Intermediate; 5-[[4-[Bis[2-[(2-Chloroethyl)sulfonyl]ethyl]amino]-6-chloro-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)diazenyl]naphthalene-2,7-disulfonic acid; 1,3,5-Triazine-2,4-diamine derivative; Azo-triazine sulfonic acid; Remazol Black B Intermediate; Vinylsulfone Reactive Dye Intermediate; 65180-72-5
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet precise customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and relevant physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Partially soluble, forms a solution

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