Description

5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-3-(4,8-Disodiosulfo-2-Naphtylazo)-4-Hydroxy-2,7-Naphthalenedisulfonic Acid Disodium Salt is a high-purity, reactive dye intermediate and specialty chemical of significant industrial importance. Its core value lies in its unique molecular structure, which combines a reactive triazine group with a chromophoric azo-naphthalene system, making it a critical precursor for synthesizing high-performance dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce vivid, wash-fast colors. Its consistent quality and reliable performance are paramount for ensuring batch-to-batch reproducibility in demanding production environments.

Application

• Reactive Dye Synthesis: Primary intermediate for manufacturing fiber-reactive dyes, particularly for cotton and other cellulosic fibers, where it forms covalent bonds for excellent wash and light fastness.
• Textile Printing Inks: Key component in the formulation of high-quality inks for digital and screen printing on textiles, contributing to brilliant color yield and sharpness.
• Specialty Pigments: Used in the production of high-performance organic pigments for plastics, coatings, and inks that require specific chromaticity and stability.
• Biological Staining: Potential application as a staining agent or chromophore in histological and cytological preparations for microscopy, due to its strong color and potential for functionalization.
• Analytical Chemistry Reagent: Can serve as a complexometric agent or a colored indicator in specific analytical methods and sensor technologies.
• Research & Development: Valuable building block in chemical R&D for creating novel chromophores, photoactive materials, and polymers with tailored optical properties.

Basic Information

Item	Detail
Product Name	5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-3-(4,8-Disodiosulfo-2-Naphtylazo)-4-Hydroxy-2,7-Naphthalenedisulfonic Acid Disodium Salt
CAS No.	68838-13-1
Molecular Formula	C23H11Cl2N6Na4O13S4
Molecular Weight	Contact for details
Synonyms	Reactive Red 198 (Parent Dye); C.I. Reactive Red 198; 5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-3-[(4,8-disulfo-2-naphthyl)azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt; Tetrasodium 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-3-[(4,8-disulfo-2-naphthyl)azo]-4-hydroxy-2,7-naphthalenedisulfonate; Reactive Dye Intermediate 68838-13-1; Azo-triazine dye intermediate; Disodium 5-(4,6-dichloro-1,3,5-triazin-2-ylamino)-3-(4,8-disodiosulfo-2-naphthylazo)-4-hydroxy-2,7-naphthalenedisulfonate
EINECS	Contact for details

Quality Control

Our production of 5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-3-(4,8-Disodiosulfo-2-Naphtylazo)-4-Hydroxy-2,7-Naphthalenedisulfonic Acid Disodium Salt adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, IR for identification, and spectrophotometry for color strength assessment. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality parameters. Our commitment to quality supports your need for reliable raw material performance in sensitive synthesis processes.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect purity and reactivity. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	Min. 95.0%
Moisture Content (KF)	Max. 5.0%
Solubility (1% in Water)	Complete, clear solution
Heavy Metals (as Pb)	Max. 20 ppm
Related Substances (HPLC)	Total impurities: Max. 3.0% Any single impurity: Max. 1.0%

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