Description

Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium is a specialized, high-purity cationic dye intermediate belonging to the triarylmethane class. This compound is valued for its intense color properties and functional sulphonate groups, which impart excellent water solubility and binding affinity. It is primarily required by manufacturers in the dyes and pigments, specialty inks, and advanced material research sectors for producing high-performance colorants.

Application

• Synthesis of Cationic Dyes and Pigments: A key intermediate for manufacturing vibrant, water-soluble triarylmethane dyes used in textiles and paper.
• Specialty Ink Formulations: Used in the production of high-quality inks for security printing, digital printing, and flexographic applications.
• Biological Staining Reagents: Serves as a precursor for certain histological and cytological stains in diagnostic and research laboratories.
• Laser Dye and Optical Material Production: Employed in the synthesis of dyes for tunable dye lasers and other photonic applications.
• Functional Material Research: Used in academic and industrial R&D for developing novel chromophores and photoactive materials.
• Indicator Chemistry: Can be utilized in the development of pH or ion-selective indicators due to its distinct color-changing properties.

Basic Information

Item	Details
Product Name	Hydrogen [4-[[4-(diethylamino)phenyl][4-[ethyl(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium
CAS No.	25305-87-7
Molecular Formula	C45H51N3O6S2
Molecular Weight	794.03 g/mol
Synonyms	Basic Blue 7; Victoria Pure Blue BO; C.I. 42595; Aizen Victoria Pure Blue BOH; Astra Blue Base; Ethyl, [4-[[4-(diethylamino)phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]-2-methylphenyl]methylene]-3-methyl-2,5-cyclohexadien-1-ylidene] [(3-sulfophenyl)methyl]-, hydroxide, inner salt; Solvent Blue 5; 4-[[4-(Diethylamino)phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]-2-methylphenyl]methylene]-3-methyl-2,5-cyclohexadien-1-ylidene](ethyl)(3-sulfobenzyl)ammonium hydroxide inner salt
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A 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). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Sulfated Ash	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, intense blue solution

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