Description

n-Ethyl-n-[4-[[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]-2-Methylphenyl]Phenylmethylene]-3-Methyl-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium is a high-purity, sulfonated triarylmethane dye intermediate, known for its intense color and water solubility. This compound is critical for producing specialized dyes and pigments with excellent lightfastness and chemical stability for demanding applications. It is primarily sought by manufacturers in the textile, ink, and specialty coatings industries for creating vibrant, durable colors.

Application

• Textile Dyeing: As a key intermediate for manufacturing cationic and acid dyes for synthetic fibers like polyacrylonitrile and nylon.
• Ink Formulation: Used in the production of high-performance inks for digital printing, packaging, and security applications.
• Specialty Coatings: Serves as a colorant precursor in industrial and automotive coatings requiring specific hue and stability.
• Biological Staining: Potential use as an intermediate for histological stains and diagnostic reagents in life sciences.
• Photographic Industry: Can be utilized in the synthesis of sensitizing dyes for photographic films and papers.
• Laser Dyes: Acts as a building block for dyes used in tunable dye lasers and optical applications.
• Indicator Chemistry: Suitable for synthesizing pH indicators and other analytical reagents.
• Research & Development: Employed in chemical research for synthesizing novel chromophores and functional materials.

Basic Information

Item	Details
Product Name	n-Ethyl-n-[4-[[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]-2-Methylphenyl]Phenylmethylene]-3-Methyl-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium
CAS No.	6460-04-4
Molecular Formula	C39H39N2O6S2Na
Molecular Weight	718.85 g/mol
Synonyms	Basic Blue 7; Victoria Pure Blue BO; C.I. 42595; Aizen Victoria Pure Blue BOH; Astrazon Blue BG; Ethyl-[4-[[4-(ethyl-3-sulfobenzylamino)-2-methylphenyl]phenylmethylene]-3-methyl-2,5-cyclohexadien-1-ylidene]-3-sulfobenzylammonium hydroxide inner salt sodium salt; 4-[[4-(Ethyl(3-sulfobenzyl)amino)-2-methylphenyl]phenylmethylene]-3-methyl-N-ethyl-N-(3-sulfobenzyl)-2,5-cyclohexadien-1-iminium hydroxide inner salt sodium salt
EINECS	229-248-7

Quality Control

Our n-Ethyl-n-[4-[[4-[n-Ethyl-n-(3-Sodiosulfobenzyl)Amino]-2-Methylphenyl]Phenylmethylene]-3-Methyl-2,5-Cyclohexadien-1-Ylidene]-3-Sulfonatobenzenemethanaminium is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for dye intermediate applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
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.