Description

Hydrogen [4-[[4-[(4-Ethoxyphenyl)Amino]Phenyl][4-[Ethyl(3-Sulphonatobenzyl)Amino]Phenyl]Methylene]Cyclohexa-2,5-Dien-1-Ylidene](Ethyl)(3-Sulphonatobenzyl)Ammonium is a high-purity, water-soluble cationic dye belonging to the triarylmethane class, valued for its intense color and strong substantivity. This compound is engineered for applications requiring excellent lightfastness and chemical stability in demanding industrial environments. It serves as a critical functional colorant for manufacturers in the textile, paper, and specialty ink sectors, where consistent quality and performance are paramount.

Application

• Textile Dyeing: Primary application for dyeing acrylic, nylon, and silk fibers, providing vibrant and wash-fast colors.
• Paper Coloring: Used in the production of high-quality colored papers, including security papers and decorative packaging.
• Specialty Inks: A key component in formulations for ink-jet inks, ballpoint pen inks, and stamp pad inks due to its solubility and color strength.
• Biological Staining: Employed as a histological stain in microscopy for visualizing cellular structures in laboratory settings.
• Leather Finishing: Applied in the dyeing of leather goods to achieve deep, uniform shades.
• Functional Additive: Potential use in optical materials and as a sensitizer in photo-electrochemical applications.

Basic Information

Item	Details
Product Name	Hydrogen [4-[[4-[(4-Ethoxyphenyl)Amino]Phenyl][4-[Ethyl(3-Sulphonatobenzyl)Amino]Phenyl]Methylene]Cyclohexa-2,5-Dien-1-Ylidene](Ethyl)(3-Sulphonatobenzyl)Ammonium
CAS No.	25305-85-5
Molecular Formula	C45H48N3O7S2- • H+
Molecular Weight	806.99 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Ethyl Victoria Blue B; [4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl(3-sulfonatobenzyl)amino]phenyl]methylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulfonatobenzyl)ammonium; C.I. Basic Blue 7; Victoria Blue BO; Astra Blue B
EINECS	Contact for details

Quality Control

Our Hydrogen [4-[[4-[(4-Ethoxyphenyl)Amino]Phenyl][4-[Ethyl(3-Sulphonatobenzyl)Amino]Phenyl]Methylene]Cyclohexa-2,5-Dien-1-Ylidene](Ethyl)(3-Sulphonatobenzyl)Ammonium is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color value, purity, and solubility. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance 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 nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-black powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture (KF Titration)	≤ 5.0%
Ash Content	≤ 1.0%
Solubility (in Water)	Clear, complete solution

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