Description

n-Methyl-n-[4-[[4-(Dimethylamino)Phenyl][3-[n-(3-Sulfonatobenzyl)-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Methanaminium is a high-purity, sulfonated cationic dye intermediate with a complex polymethine structure. This compound is valued for its exceptional chromophore properties and water solubility, making it a critical component in advanced colorant systems. It is primarily sought by manufacturers in the specialty dyes, biological staining, and analytical reagent sectors for producing high-performance colorants and indicators.

Application

• Synthesis of Cationic Dyes: A key intermediate for manufacturing water-soluble, cationic polymethine dyes used in textile, paper, and leather industries.
• Biological Staining Reagents: Used in the formulation of specialized stains for microscopy and histology, particularly for nucleic acid and cellular structure visualization.
• Laser Dye Precursor: Serves as a building block for dyes utilized in tunable dye lasers and other photonic applications.
• Analytical Chemistry Indicators: Employed in the development of colorimetric sensors and pH indicators due to its sharp color transition properties.
• Inkjet Printing Inks: A component in the production of high-quality, color-fast inks for industrial and photographic printing.
• Optical Data Storage Materials: Investigated for use in the research and development of materials for advanced optical recording media.

Basic Information

Item	Detail
Product Name	n-Methyl-n-[4-[[4-(Dimethylamino)Phenyl][3-[n-(3-Sulfonatobenzyl)-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]Methanaminium
CAS No.	6505-31-3
Molecular Formula	C37H41N3O6S2Na
Molecular Weight	710.86 g/mol
Synonyms	Basic Blue 41; C.I. 11154; Astrazon Blue BG; Aizen Cathilon Blue BG; Maxilon Blue BG; Cationic Blue 41; 1,3-Benzenedicarboxylic acid, 5-[[4-(dimethylamino)phenyl][4-[methyl(phenylmethyl)amino]phenyl]methylene]-2,4-cyclohexadien-1-ylidene]methyl]dimethylammonium salt (1:1); Victoria Blue B (sulfonated derivative)
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC and spectrophotometry. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance 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 nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Solubility	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 1.0%

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