Description

n-[4-[[4-[n-Ethyl-n-(3-Sulfonatophenyl)Amino]Phenyl][4-[n-Ethyl-n-(3-Sodiosulfophenyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methylmethanaminium is a high-purity, water-soluble cationic dye belonging to the triarylmethane class. This compound is valued for its intense color, excellent substantivity, and compatibility with various industrial processes. It is primarily sought by manufacturers in the textile, paper, and specialty ink industries for its reliable performance as a coloring agent.

Application

• Textile Dyeing: Used for coloring wool, silk, nylon, and acrylic fibers, offering good lightfastness and washfastness.
• Paper Coloring: Employed in the production of colored papers, tissues, and specialty packaging materials.
• Ink Manufacturing: Serves as a key pigment for writing inks, stamp pad inks, and other liquid colorants.
• Biological Staining: Utilized in histology and microbiology as a staining agent for microscopic analysis.
• Leather Finishing: Applied in the dyeing process for leather goods to achieve vibrant and uniform colors.
• Indicator Chemistry: Can be used in the formulation of pH indicators and other analytical reagents due to its color-changing properties.

Basic Information

Item	Details
Product Name	n-[4-[[4-[n-Ethyl-n-(3-Sulfonatophenyl)Amino]Phenyl][4-[n-Ethyl-n-(3-Sodiosulfophenyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methylmethanaminium
CAS No.	5905-34-0
Molecular Formula	C45H44N3O6S2Na
Molecular Weight	809.96 g/mol
Synonyms	Basic Blue 7; Victoria Blue B; C.I. 42595; Aniline Blue, Spirit Soluble; Spirit Soluble Blue; [4-[[4-(Ethyl(3-sulfophenyl)amino)phenyl][4-[ethyl(3-sulfophenyl)azaniumyl]phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium; Basic Blue K
EINECS	227-588-8

Quality Control

Our production of n-[4-[[4-[n-Ethyl-n-(3-Sulfonatophenyl)Amino]Phenyl][4-[n-Ethyl-n-(3-Sodiosulfophenyl)Amino]Phenyl]Methylene]-2,5-Cyclohexadien-1-Ylidene]-n-Methylmethanaminium adheres to stringent quality protocols. Every batch undergoes comprehensive analysis to ensure consistent purity, color strength, and compliance with industry specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, impurity profile, and solubility.

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). Keep away from incompatible materials and sources of ignition. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Loss on Drying	≤ 5.0%
Solubility (Water)	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm
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.