Description

n-[4-[[4-[(4-Ethoxyphenyl)Amino]Phenyl][3-Methyl-4-[(2-Sodiosulfoethyl)Amino]Phenyl]Methylene]-2-Methyl-2,5-Cyclohexadien-1-Ylidene]-2-Sulfonatoethanaminium is a high-purity, water-soluble triarylmethane derivative with a complex sulfonated structure. This compound is valued for its strong chromophoric properties and its ability to form stable complexes, making it a critical intermediate in advanced material synthesis. It is primarily sought by manufacturers in the specialty dyes, analytical chemistry, and high-performance material research sectors for its precise functional characteristics.

Application

• Key Intermediate for Specialty Dyes and Pigments: Used in the synthesis of high-value, light-fast cationic and acid dyes for textiles, inks, and coatings.
• Analytical Reagent and Indicator: Functions as a sensitive colorimetric reagent or complexometric indicator in biochemical assays and metal ion detection.
• Functional Material Synthesis: Serves as a building block for creating advanced organic materials, including nonlinear optical (NLO) materials and molecular sensors.
• Research & Development: Employed in academic and industrial R&D for photochemical studies and the development of new chromogenic systems.
• Biological Staining: Potential use in histological staining applications due to its affinity for specific tissue components.

Basic Information

Item	Detail
Product Name	n-[4-[[4-[(4-Ethoxyphenyl)Amino]Phenyl][3-Methyl-4-[(2-Sodiosulfoethyl)Amino]Phenyl]Methylene]-2-Methyl-2,5-Cyclohexadien-1-Ylidene]-2-Sulfonatoethanaminium
CAS No.	5844-14-4
Molecular Formula	C33H37N3O6S2Na
Molecular Weight	659.78 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Ethyl Victoria Blue B; [4-[[4-(4-Ethoxyanilino)phenyl][4-[(2-sulfonatoethyl)amino]-2-methylphenyl]methylene]-2-methylcyclohexa-2,5-dien-1-ylidene]-(2-sulfonatoethyl)azanium; Aniline Blue; Spirit Soluble Blue; 2-[[4-[[4-(4-Ethoxyanilino)phenyl][4-[(2-sulfoethyl)amino]-2-methylphenyl]methylene]-2-methyl-2,5-cyclohexadien-1-ylidene]amino]ethanesulfonic acid sodium salt
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. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 tightly sealed after each use to prevent absorption of atmospheric moisture, 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%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
pH (1% Solution)	6.0 - 8.0

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