Description

n-[4-[[4-[n-Ethyl-n-(3-Sulfonatobenzyl)Amino]Phenyl][4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methylmethanaminium is a high-purity, sulfonated triarylmethane dye intermediate of significant commercial importance. This compound is valued for its role as a key precursor in the synthesis of specialized dyes and pigments, offering excellent color properties and water solubility. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant, lightfast colorants.

Application

• Dye and Pigment Synthesis: A critical intermediate for manufacturing cationic triarylmethane dyes.
• Textile Industry: Used in the production of dyes for coloring wool, silk, and polyacrylonitrile fibers.
• Ink Formulation: Serves as a precursor for creating soluble colorants in printing inks.
• Biological Staining: Potential use in the synthesis of histological stains for microscopy.
• Analytical Reagents: Can be utilized in the development of pH indicators and other chemical sensors.
• Research & Development: Employed in organic synthesis and material science research for novel chromophores.

Basic Information

Product Name	n-[4-[[4-[n-Ethyl-n-(3-Sulfonatobenzyl)Amino]Phenyl][4-(Dimethylamino)Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methylmethanaminium
CAS No.	5844-18-8
Molecular Formula	C31H34N3O3S+
Molecular Weight	528.68 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Aniline Blue; [4-[[4-(Ethyl(3-sulfobenzyl)amino)phenyl][4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]ethyl-dimethyl-ammonium; Ethyl-[4-[4-(ethyl-(3-sulfobenzyl)-amino)-phenyl]-[4-(dimethylamino)-phenyl]-methylene]-cyclohexa-2,5-dien-1-ylidene]-dimethyl-ammonium; N-Ethyl-N-(3-sulfobenzyl)aminophenyl)(4-dimethylaminophenyl)methylene]-2,5-cyclohexadien-1-ylidene-N-methylethanaminium
EINECS	227-432-2

Quality Control

Our production of this dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC and NMR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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). This compound is light-sensitive (store away from light) and hygroscopic (moisture-sensitive); prolonged exposure to air and humidity should be avoided.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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