Description

n-[4-[(2-Chloro-4-Sodiosulfophenyl)[3-Methyl-4-[(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2-Methyl-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium is a high-purity, water-soluble organic dye intermediate of significant industrial importance. Its complex, multi-sulfonated structure provides excellent solubility and binding properties, making it a critical precursor for high-performance colorants. This compound is essential for manufacturers in the textile, ink, and specialty chemical sectors seeking to produce vivid, stable dyes and pigments with specific functional characteristics.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for cotton and other cellulosic fibers, offering excellent wash and light fastness.
• Specialty Ink Production: Used in formulating inks for digital textile printing and other high-resolution applications requiring superior color strength and stability.
• Functional Dye Synthesis: Serves as a precursor for dyes used in biological staining, liquid crystal displays (LCDs), and other advanced optical applications.
• Research & Development: Employed in academic and industrial R&D laboratories for developing novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Item	Details
Product Name	n-[4-[(2-Chloro-4-Sodiosulfophenyl)[3-Methyl-4-[(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2-Methyl-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium
CAS No.	5844-09-7
Molecular Formula	C35H30ClN2Na3O9S3
Molecular Weight	863.22 g/mol
Synonyms	Benzenemethanaminium, N-[4-[(2-chloro-4-sodiosulfophenyl)[3-methyl-4-[(3-sodiosulfobenzyl)amino]phenyl]methylene]-2-methyl-2,5-cyclohexadien-1-ylidene]-3-sulfo-, inner salt; C.I. Reactive Red 198; Reactive Red 198; Reactive Brilliant Red M-3BE; Reactive Brilliant Red M-3BE (C.I. 18215); 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-6-(phenylamino)-, trisodium salt (related isomer/commercial product name); Dye intermediate for Reactive Red 198.
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution at 1%
Heavy Metals (as Pb)	≤ 20 ppm

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