Description

4-Amino-3-[5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-2-Sulfophenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Trisodium Salt is a high-purity, reactive dye intermediate and specialty chemical building block. This compound is valued for its ability to form covalent bonds with substrates, making it a critical component in the synthesis of advanced colorants and functional materials. It is primarily required by manufacturers in the textile, paper, and specialty chemical industries for producing high-performance dyes and pigments.

Application

• Reactive Dye Synthesis: A key intermediate for manufacturing high-washfastness reactive dyes for cotton and cellulose fibers.
• Functional Dye Production: Used in creating dyes for ink-jet printing, leather coloring, and paper coloration.
• Bioconjugation & Labeling: Serves as a reactive linker in biochemical research for labeling proteins and other biomolecules.
• Photographic Chemicals: Employed in the formulation of specialized color couplers for photographic films and papers.
• Analytical Reagents: Utilized as a chromogenic agent or complexing agent in certain analytical chemistry applications.
• Polymer Modification: Acts as a functional monomer or cross-linking agent for imparting specific properties to polymers.

Basic Information

Product Name	4-Amino-3-[5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-2-Sulfophenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Trisodium Salt
CAS No.	100271-33-8
Molecular Formula	C19H10Cl2N8Na3O10S3
Molecular Weight	794.44 g/mol
Synonyms	Trisodium 4-amino-3-[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]hydrazinylidene-5-hydroxy-3,4-dihydronaphthalene-2,7-disulfonate; Reactive Dye Intermediate; C.I. Reactive Red 198 intermediate; 1,3,5-Triazine-2,4-diamine, 6-chloro-N-[2-[(7,8-dihydro-8-oxo-2,7-disulfo-1-naphthalenyl)azo]-5-sulfophenyl]-, trisodium salt; Azo-triazine dye intermediate; 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, 3-[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-, trisodium salt
EINECS	Contact for details

Quality Control

Our production of 4-Amino-3-[5-(4,6-Dichloro-1,3,5-Triazin-2-Ylamino)-2-Sulfophenylazo]-5-Hydroxy-2,7-Naphthalenedisulfonic Acid Trisodium Salt adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided with every shipment.

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. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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