Description

n-Methyl-n-[4-[[4-[n-Methyl-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium is a high-purity, water-soluble triarylmethane dye intermediate. This compound is valued for its role as a key precursor in synthesizing vibrant and stable cationic dyes, particularly for textile and paper applications. It is essential for manufacturers in the dye and pigment industry seeking to produce high-quality colorants with excellent fastness properties.

Application

• Dye Intermediate: Primary use as a crucial building block for the synthesis of cationic (basic) triarylmethane dyes.
• Textile Dyeing: Used in the production of dyes for coloring acrylic, modified polyamide, and polyester fibers.
• Paper Coloring: Employed in the manufacture of dyes for specialty papers, including decorative and security papers.
• Ink Formulation: Serves as a precursor for pigments and dyes used in various printing inks.
• Biological Staining: Potential use as an intermediate for histological stains in laboratory settings.
• Research & Development: Utilized in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	n-Methyl-n-[4-[[4-[n-Methyl-n-(3-Sodiosulfobenzyl)Amino]Phenyl]Phenylmethylene]-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium
CAS No.	6362-36-3
Molecular Formula	C35H30N2O6S2Na
Molecular Weight	653.73 g/mol
Synonyms	Basic Blue 7 Intermediate; Victoria Pure Blue BO Intermediate; C.I. 42595 Intermediate; 4-[[4-(Dimethylamino)phenyl][4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-dimethylammonium hydrogen sulfate, sodium salt; Aniline, N,N-dimethyl-4-[[4-(dimethylamino)phenyl][4-[(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-, sulfate (1:1), sodium salt; Benzenemethanaminium, N-[4-[[4-(dimethylamino)phenyl][4-[(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]methyl]-N-methyl-, sulfate, sodium salt; Triphenylmethane dye intermediate.
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark green to blue-green powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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