Description

5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-4-Hydroxy-3-(1,5-Disodiosulfo-2-Naphtylazo)-2,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, reactive dye intermediate and chemical building block. This compound is valued for its triazine-based reactive site, which enables strong covalent bonding to substrates like cellulose fibers, making it essential for producing high-quality, wash-fast dyes. It is primarily used by manufacturers in the textile, specialty chemical, and research and development sectors seeking advanced chromophores and functionalized intermediates.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-performance reactive dyes for cotton, viscose, and other cellulose-based textiles.
• Textile Colorants: Used to produce brilliant and durable azo dyes with excellent wash and light fastness properties.
• Chemical Research: Serves as a versatile building block in organic synthesis and the development of new chromophores and functional materials.
• Specialty Inks: Potential application in the formulation of specialty inks requiring specific color properties and stability.
• Biomolecule Labeling: The reactive triazine group can be utilized for labeling proteins and other biomolecules in biochemical research.
• Analytical Reagents: May be used in the development of colorimetric indicators and analytical reagents.

Basic Information

Product Name	5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-4-Hydroxy-3-(1,5-Disodiosulfo-2-Naphtylazo)-2,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	75240-67-4
Molecular Formula	C23H11Cl2N6Na4O13S4
Molecular Weight	923.57 g/mol
Synonyms	Reactive Red 198; C.I. Reactive Red 198; 5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(1,5-disodiosulfo-2-naphthyl)azo]-2,7-naphthalenedisulfonic acid disodium salt; Reactive Red 198 (C.I. 18221); Disodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(1,5-disulfo-2-naphthyl)azo]naphthalene-2,7-disulfonate; C.I. 18221; Triazinyl reactive dye intermediate
EINECS	Contact for details

Quality Control

Our 5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-4-Hydroxy-3-(1,5-Disodiosulfo-2-Naphtylazo)-2,7-Naphthalenedisulfonic Acid Disodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive applications like dye synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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